Cita APA (7th ed.)

Fagan, J. J. (1965). View of the earth: An introduction to geology. Holt Rinehart and Winston.

Cita Chicago (17th ed.)

Fagan, John J. View of the Earth: An Introduction to Geology. New York: Holt Rinehart and Winston, 1965.

Cita MLA (9th ed.)

Fagan, John J. View of the Earth: An Introduction to Geology. Holt Rinehart and Winston, 1965.

Atenció: Aquestes cites poden no estar 100% correctes.