APA (7th ed.) Citation

Nikolsky, G. V., & Birkett, L. (1965). The ecology of fishes ([2nd printing].). Academic Press.

Chicago Style (17th ed.) Citation

Nikolsky, Georgii Vasilevich, and L. Birkett. The Ecology of Fishes. [2nd printing]. London [etc.]: Academic Press, 1965.

MLA (9th ed.) Citation

Nikolsky, Georgii Vasilevich, and L. Birkett. The Ecology of Fishes. [2nd printing]. Academic Press, 1965.