APA (7th ed.) Citation
Seyfert, C. K., & Sirkin, L. A. (1979). Earth History and plate tectonics: An introd. to historical geology. Harper and Row.
Chicago Style (17th ed.) Citation
Seyfert, Carl K., and Leslie A. Sirkin. Earth History and Plate Tectonics: An Introd. to Historical Geology. New York [usw.]: Harper and Row, 1979.
MLA (9th ed.) Citation
Seyfert, Carl K., and Leslie A. Sirkin. Earth History and Plate Tectonics: An Introd. to Historical Geology. Harper and Row, 1979.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.