APA (7th ed.) Citation

Seyfert, C. K., & Sirkin, L. A. (1973). Earth history and plate tectonics: An introd. to histor. geology. Harper & Row.

Chicago Style (17th ed.) Citation

Seyfert, Carl K., and Leslie A. Sirkin. Earth History and Plate Tectonics: An Introd. to Histor. Geology. New York u.a: Harper & Row, 1973.

MLA (9th ed.) Citation

Seyfert, Carl K., and Leslie A. Sirkin. Earth History and Plate Tectonics: An Introd. to Histor. Geology. Harper & Row, 1973.