APA (7th ed.) Citation

Untergasser, D., & Hirschhorn, H. (1989). Handbook of fish diseases. T.F.H.Publications, Inc..

Chicago Style (17th ed.) Citation

Untergasser, Dieter, and Howard Hirschhorn. Handbook of Fish Diseases. New Jersey: T.F.H.Publications, Inc., 1989.

MLA (9th ed.) Citation

Untergasser, Dieter, and Howard Hirschhorn. Handbook of Fish Diseases. T.F.H.Publications, Inc., 1989.