Popplestone, J. A., & McPherson, M. W. (1994). An illustrated history of American psychology. Brown & Benchmark Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPopplestone, John A., और Marion White McPherson. An Illustrated History of American Psychology. Madison, Wis: Brown & Benchmark Publishers, 1994.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPopplestone, John A., और Marion White McPherson. An Illustrated History of American Psychology. Brown & Benchmark Publishers, 1994.
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