APA (7th ed.) Citation

Storer, T. I., & Usinger, R. L. (1961). Zoologia general (1a ed., 2a imp.). Omega.

Chicago Style (17th ed.) Citation

Storer, Tracy Irwin, and Robert Leslie Usinger. Zoologia General. 1a ed., 2a imp. Barcelona: Omega, 1961.

MLA (9th ed.) Citation

Storer, Tracy Irwin, and Robert Leslie Usinger. Zoologia General. 1a ed., 2a imp. Omega, 1961.

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