Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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