APA (7th ed.) Citation

Judson, S., Kauffman, M. E., & Leet, L. D. Physical geology (7. ed.). Prentice-Hall.

Chicago Style (17th ed.) Citation

Judson, Sheldon, Marvin E. Kauffman, and Lewis D. Leet. Physical Geology. 7. ed. Englewood Cliffs, NJ: Prentice-Hall.

MLA (9th ed.) Citation

Judson, Sheldon, et al. Physical Geology. 7. ed. Prentice-Hall.