APA (7th ed.) Citation

Pizarro, E., & Gamboa, S. y. (1971). Los virus.

Chicago Style (17th ed.) Citation

Pizarro, Enrique, and Suarez y. Gamboa. Los Virus. 1971.

MLA (9th ed.) Citation

Pizarro, Enrique, and Suarez y. Gamboa. Los Virus. 1971.

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