Cita APA

Duff, P. M. D., & Holmes, A. (1993). Holmes' principles of physical geology (4th ed.). Chapman & Hall.

Citación estilo Chicago

Duff, P. McL. D., and Arthur Holmes. Holmes' Principles of Physical Geology. 4th ed. London: Chapman & Hall, 1993.

Cita MLA

Duff, P. McL. D., and Arthur Holmes. Holmes' Principles of Physical Geology. 4th ed. Chapman & Hall, 1993.

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