APA ציטוט

Leet, L. D., & Judson, S. (1971). Physical geology (4th ed.). Prentice-Hall.

Chicago Style (17th ed.) Citation

Leet, L. Don, and Sheldon Judson. Physical Geology. 4th ed. Englewood Cliffs, N.J.: Prentice-Hall, 1971.

ציטוט MLA

Leet, L. Don, and Sheldon Judson. Physical Geology. 4th ed. Prentice-Hall, 1971.