APA (7th ed.) Citation

Gottfried, S. S. (1993). Biology today. Mosby-Year Book, Inc.

Chicago Style (17th ed.) Citation

Gottfried, Sandra S. Biology Today. St. Louis, MO: Mosby-Year Book, Inc, 1993.

MLA (9th ed.) Citation

Gottfried, Sandra S. Biology Today. Mosby-Year Book, Inc, 1993.