Cita APA

Keen, M. (1968). Introduction to marine geology. Pergamon press.

Citación estilo Chicago

Keen, M.J. Introduction to Marine Geology. London: Pergamon press, 1968.

Cita MLA

Keen, M.J. Introduction to Marine Geology. Pergamon press, 1968.

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