APA (7th ed.) Citation

McDougall, W. (1917). An introduction to social psychology (12th ed.). J.W. Luce & Co..

Chicago Style (17th ed.) Citation

McDougall, William. An Introduction to Social Psychology. 12th ed. Boston: J.W. Luce & Co., 1917.

MLA (9th ed.) Citation

McDougall, William. An Introduction to Social Psychology. 12th ed. J.W. Luce & Co., 1917.

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