Cita APA

Verhoogen, J. (1970). The earth: An introduction to phisical geology. New York: Holt, Rinehart and Winston.

Citación estilo Chicago

Verhoogen, John. The Earth: An Introduction to Phisical Geology. New York: Holt, Rinehart and Winston, 1970.

Cita MLA

Verhoogen, John. The Earth: An Introduction to Phisical Geology. New York: Holt, Rinehart and Winston, 1970.