Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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