Cita APA (7a ed.)

Helfman, Collette, B., & Facey, D. E. (1997). The diverity of fishes. Blackwell Science.

Cita Chicago Style (17a ed.)

Helfman, Bruce Collette, y Douglas E. Facey. The Diverity of Fishes. Massachusetts: Blackwell Science, 1997.

Cita MLA (8a ed.)

Helfman, et al. The Diverity of Fishes. Blackwell Science, 1997.