APA (7th ed.) Citation

Helfman, G. S. (2009). The diversity of fishes: Biology, evolution, and ecology (2η εκδ.). Blackwell.

Chicago Style (17th ed.) Citation

Helfman, Gene S. The Diversity of Fishes: Biology, Evolution, and Ecology. 2η εκδ. Chichester, UK: Blackwell, 2009.

MLA (8th ed.) Citation

Helfman, Gene S. The Diversity of Fishes: Biology, Evolution, and Ecology. 2η εκδ. Blackwell, 2009.