Seyfert, C. K., & Sirkin, L. A. (1973). Earth history and plate tectonics: An introduction to historical geology. Harper & Row.
Chicago Style (17th ed.) CitationSeyfert, Carl K., and Leslie A. Sirkin. Earth History and Plate Tectonics: An Introduction to Historical Geology. New York [u.a.]: Harper & Row, 1973.
MLA (9th ed.) CitationSeyfert, Carl K., and Leslie A. Sirkin. Earth History and Plate Tectonics: An Introduction to Historical Geology. Harper & Row, 1973.
Warning: These citations may not always be 100% accurate.