APA (7th ed.) Citation

Zarur, P. (1987). Biología 1 (21a. ed.). Plus Ultra.

Chicago Style (17th ed.) Citation

Zarur, Pedro. Biología 1. 21a. ed. Buenos Aires: Plus Ultra, 1987.

MLA (9th ed.) Citation

Zarur, Pedro. Biología 1. 21a. ed. Plus Ultra, 1987.

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