APA (7th ed.) Citation

Helfman, G. S., Bowen, B. W., Collette, B. B., & Facey, D. E. The diversity of fishes: Biology, evolution, and ecology (Second edition.).

Chicago Style (17th ed.) Citation

Helfman, Gene S., Brian W. Bowen, Bruce B. Collette, and Douglas E. Facey. The Diversity of Fishes: Biology, Evolution, and Ecology. Second edition.

MLA (9th ed.) Citation

Helfman, Gene S., et al. The Diversity of Fishes: Biology, Evolution, and Ecology. Second edition.