APA (7th ed.) Citation

Curtis, H., & Barnes, N. S. (1993). Biología (5a ed.). Panamericana.

Chicago Style (17th ed.) Citation

Curtis, Helena, and N. Sue Barnes. Biología. 5a ed. Madrid ; Buenos Aires: Panamericana, 1993.

MLA (9th ed.) Citation

Curtis, Helena, and N. Sue Barnes. Biología. 5a ed. Panamericana, 1993.

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