Cita APA

Dunbar, C. O., & Rodgers, J. Principles of stratigraphy.

Citación estilo Chicago

Dunbar, Carl O., and John Rodgers. Principles of Stratigraphy.

Cita MLA

Dunbar, Carl O., and John Rodgers. Principles of Stratigraphy.

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