APA (7th ed.) Citation

Sidney, P., & Bates, C. (1994). Selected poems. Penguin Books.

Chicago Style (17th ed.) Citation

Sidney, Philip, and Catherine Bates. Selected Poems. London ; New York: Penguin Books, 1994.

MLA (9th ed.) Citation

Sidney, Philip, and Catherine Bates. Selected Poems. Penguin Books, 1994.