APA (7th ed.) Citation

(1977). The Penguin book of American verse: With an introd. Penguin Books.

Chicago Style (17th ed.) Citation

The Penguin Book of American Verse: With an Introd. Harmondsworth: Penguin Books, 1977.

MLA (9th ed.) Citation

The Penguin Book of American Verse: With an Introd. Penguin Books, 1977.

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