Cita APA

Barnes, C. W. (1980). Earth, time, and life: An introduction to geology. John Wiley.

Citación estilo Chicago

Barnes, Charles W. Earth, Time, and Life: An Introduction to Geology. New York:: John Wiley, 1980.

Cita MLA

Barnes, Charles W. Earth, Time, and Life: An Introduction to Geology. John Wiley, 1980.

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