Cita APA (7a ed.)

Leet, L. D., Judson, S., & Kauffman, M. E. (1978). Physical geology (Fifth edition.). Prentice-Hall.

Cita Chicago Style (17a ed.)

Leet, L. Don, Sheldon Judson, y Marvin E. Kauffman. Physical Geology. Fifth edition. Englewood Cliffs, New Jersey: Prentice-Hall, 1978.

Cita MLA (9a ed.)

Leet, L. Don, et al. Physical Geology. Fifth edition. Prentice-Hall, 1978.

Precaución: Estas citas no son 100% exactas.