APA (7th ed.) Citation

Oliver, M. (2014). Blue horses: Poems. The Penguin Press.

Chicago Style (17th ed.) Citation

Oliver, Mary. Blue Horses: Poems. New York: The Penguin Press, 2014.

MLA (9th ed.) Citation

Oliver, Mary. Blue Horses: Poems. The Penguin Press, 2014.

Warning: These citations may not always be 100% accurate.