APA (7th ed.) Citation

Doyle, P., Baxter, A. N., & Bennett, M. (1994). The key to earth history: An introduction to stratigraphy. John Wiley & Sons.

Chicago Style (17th ed.) Citation

Doyle, Peter, Alistair N. Baxter, and Matthew Bennett. The Key to Earth History: An Introduction to Stratigraphy. Chichester: John Wiley & Sons, 1994.

MLA (9th ed.) Citation

Doyle, Peter, et al. The Key to Earth History: An Introduction to Stratigraphy. John Wiley & Sons, 1994.