APA

Kay M., . (1951). North American Geosynclines. New York: Geol.Soc.of America.

Chicago

Kay Marshall, . 1951. North American Geosynclines. New York: Geol.Soc.of America.

Harvard

Kay M., . (1951). North American Geosynclines. New York: Geol.Soc.of America.

MLA

Kay Marshall, . North American Geosynclines. New York: Geol.Soc.of America. 1951.