APA (7th ed.) Citation

Warren, R. P. (1974). Or else-poem: Poems 1968-1974. Random House.

Chicago Style (17th ed.) Citation

Warren, Robert Penn. Or Else-poem: Poems 1968-1974. New York: Random House, 1974.

MLA (9th ed.) Citation

Warren, Robert Penn. Or Else-poem: Poems 1968-1974. Random House, 1974.