APA (7th ed.) Citation

Bainbridge, B. (1993). The birthday boys. Penguin Books.

Chicago Style (17th ed.) Citation

Bainbridge, Beryl. The Birthday Boys. London [u.a.]: Penguin Books, 1993.

MLA (9th ed.) Citation

Bainbridge, Beryl. The Birthday Boys. Penguin Books, 1993.

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