APA (7th ed.) Citation

Storer, T. I., & Usinger, R. L. (1961). Zoología general. Omega.

Chicago Style (17th ed.) Citation

Storer, Tracy I., and Robert L. Usinger. Zoología General. Barcelona: Omega, 1961.

MLA (9th ed.) Citation

Storer, Tracy I., and Robert L. Usinger. Zoología General. Omega, 1961.

Warning: These citations may not always be 100% accurate.