APA (7th ed.) Citation

Hastings, P. A., Walker, H. J., & Galland, G. R. Fishes: A guide to their diversity.

Chicago Style (17th ed.) Citation

Hastings, Philip A., H.J. Jr Walker, and Grantly R. Galland. Fishes: A Guide to Their Diversity. University of California Press, Oakland California.

MLA (9th ed.) Citation

Hastings, Philip A., et al. Fishes: A Guide to Their Diversity.