Cita APA

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

Citación estilo Chicago

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

Cita MLA

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