APA (7th ed.) Citation

Gilluly James, Waters Aaron, & Woodford, A. (1968). Principles of geology (Third edition.). Ms. Rowan.

Chicago Style (17th ed.) Citation

Gilluly James, Waters Aaron, and A.O Woodford. Principles of Geology. Third edition. San Francisco: Ms. Rowan, 1968.

MLA (9th ed.) Citation

Gilluly James, et al. Principles of Geology. Third edition. Ms. Rowan, 1968.