APA (7th ed.) Citation

Kay, M. (1951). North American geosynclines. [Geological Society of America].

Chicago Style (17th ed.) Citation

Kay, Marshall. North American Geosynclines. [New York]: [Geological Society of America], 1951.

MLA (9th ed.) Citation

Kay, Marshall. North American Geosynclines. [Geological Society of America], 1951.

Warning: These citations may not always be 100% accurate.