APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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

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