APA (7th ed.) Citation

Browning, R., & Karlin, D. (2000). Selected poems. Penguin Books.

Chicago Style (17th ed.) Citation

Browning, Robert, and Daniel Karlin. Selected Poems. London ; New York: Penguin Books, 2000.

MLA (9th ed.) Citation

Browning, Robert, and Daniel Karlin. Selected Poems. Penguin Books, 2000.