Citazione Stile APA (7a Edizione)

Verhoogen, J. (1970). Earth: An introduction to physical geology. Rinehart & winston.

Citazione stile Chigago Style (17a edizione)

Verhoogen, John. Earth: An Introduction to Physical Geology. New York: Rinehart & winston, 1970.

Citatione MLA (9a ed.)

Verhoogen, John. Earth: An Introduction to Physical Geology. Rinehart & winston, 1970.