APA (7th ed.) Citation

Purves, W. K., Orians, G. H., & Heller, H. C. (1995). Life: The science of biology (4. ed.). Sinauer [u.a.].

Chicago Style (17th ed.) Citation

Purves, William K., Gordon H. Orians, and H. C. Heller. Life: The Science of Biology. 4. ed. Sunderland, Mass: Sinauer [u.a.], 1995.

MLA (9th ed.) Citation

Purves, William K., et al. Life: The Science of Biology. 4. ed. Sinauer [u.a.], 1995.