APA (7th ed.) Citation

Doyle, P., Bennett, M. R., & Baxter, A. N. (2001). The key to earth history: An introduction to stratigraphy (2. ed.). Wiley.

Chicago Style (17th ed.) Citation

Doyle, Peter, Matthew R. Bennett, and Alistair N. Baxter. The Key to Earth History: An Introduction to Stratigraphy. 2. ed. Chichester [u.a.]: Wiley, 2001.

MLA (9th ed.) Citation

Doyle, Peter, et al. The Key to Earth History: An Introduction to Stratigraphy. 2. ed. Wiley, 2001.