APA (7th ed.) Citation

Berger, G., & Bonforte, L. (1987). Whales. Doubleday.

Chicago Style (17th ed.) Citation

Berger, Gilda, and Lisa Bonforte. Whales. Garden City, N.Y.: Doubleday, 1987.

MLA (9th ed.) Citation

Berger, Gilda, and Lisa Bonforte. Whales. Doubleday, 1987.

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