In the old days, some typewriter keyboards did not offer a way to type italics, so underline marks were a signal from the writer to the typesetter that the text should be italicized. Underlining still indicates italics in typography. Avoid using the underline function except to indicate italics.

Italicize the titles of books, journals, periodicals, newspapers, pamphlets, proceedings, collections, theses, dissertations, plays, movies, operas, oratorios, paintings, drawings, sculptures, and other works of art.

Margaret Atwood’s novel Alias Grace
Jack Granatstein’s book Who Killed Canadian History?
The Vancouver Sun, The Globe & Mail, The Georgia Straight, The Province.
Vancouver magazine

When the full title is not used, "the Sun" it is not italicized.

Some of the publications produced at UBC include: The Corporation, by Joel Bakan; Final Labyrinth, by Lance Rucker; and How Dogs Think by Stanley Coren.
William Shakespeare’s Romeo and Juliet
Frank Capra’s movie It’s a Wonderful Life, starring James Stewart
Handel’s Messiah
Rodin’s sculpture The Thinker
Voice of Fire, a painting by Barnett Newman
Ralph Beninger’s dissertation is titled Freud: The Dream Maker.

When it comes to poetry, only epic poems are italicized. Regular short poems are set in quotation marks in the usual roman type.

Milton’s Paradise Lost (an epic poem) was written well after "On His Blindness." (a short poem)

Do not italicize titles of articles, chapters in books, short stories, regular poems, radio and television programs, lectures, papers read at meetings, manuscripts in collections. Instead, type them in roman type and set them inside quotation marks.

Peter Gzowski hosted his last episode of "Morningside" in 1997.
"My Son at the Seashore, Age Two," is one of the poems in the collection, Forests of the Medieval World, by Dr. Don Coles.
CBC Television’s program, "This Hour Has 22 Minutes," is enormously popular.

Do not italicize songs, ships, aircraft, or trains. Set in roman type and capitalize initials.

The song Summer of ‘69 is a classic by Bryan Adams.
She will sail on the Queen of New Westminster.

Italicize foreign words and phrases, including Latin phrases.

Staff members gathered to say grazie and obrigado to the governments of Italy and Portugal for funding scholarships at UBC.
He received a doctor of laws honoris causa from UBC.
UBC’s motto is tuum est.

Works of Art

In titles of plays, books etc., capitalize the first and last words and all nouns, pronouns, verbs, adverbs and adjectives. Avoid capitalizing the prepositions, conjunctions and articles, unless they are the first or last word of the title.

The Merchant of Venice
Cat on a Hot Tin Roof
To the Lighthouse
Know Why the Caged Bird Sings