APA (7th ed.) Citation

Helfman, G. S., Collete, B. B., & Facey, D. E. (1997). The diversity of fishes. Blackwell Science.

Chicago Style (17th ed.) Citation

Helfman, Gene S., Bruce B. Collete, and Douglas E. Facey. The Diversity of Fishes. Malden, Massachusetts, USA: Blackwell Science, 1997.

MLA (9th ed.) Citation

Helfman, Gene S., et al. The Diversity of Fishes. Blackwell Science, 1997.