Cita APA

Gabler, R. E., Sager, R., Brazier, S., & Pourciau, J. (1975). Introduction to physical geography. San Francisco: Rinehart Press.

Citación estilo Chicago

Gabler, Robert E., Robert Sager, Sheila Brazier, y Jacqueline Pourciau. Introduction to Physical Geography. San Francisco: Rinehart Press, 1975.

Cita MLA

Gabler, Robert E., Robert Sager, Sheila Brazier, y Jacqueline Pourciau. Introduction to Physical Geography. San Francisco: Rinehart Press, 1975.