APA (7th ed.) Citation

Holčík, J., Mihálik, J., & Malý, J. (1968). Fresh-water fishes. Spring Books.

Chicago Style (17th ed.) Citation

Holčík, Juraj, Jozef Mihálik, and Jiří Malý. Fresh-water Fishes. [Feltham]: Spring Books, 1968.

MLA (9th ed.) Citation

Holčík, Juraj, et al. Fresh-water Fishes. Spring Books, 1968.