APA (7th ed.) Citation

Fletcher, J. G. (1930). The two frontiers: A study in historical psychology. Coward-McCann.

Chicago Style (17th ed.) Citation

Fletcher, John Gould. The Two Frontiers: A Study in Historical Psychology. New York: Coward-McCann, 1930.

MLA (9th ed.) Citation

Fletcher, John Gould. The Two Frontiers: A Study in Historical Psychology. Coward-McCann, 1930.

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