APA (7th ed.) Citation

Ward, J. (1920). Psychological principles (Second edition.). at the University Press.

Chicago Style (17th ed.) Citation

Ward, James. Psychological Principles. Second edition. Cambridge: at the University Press, 1920.

MLA (9th ed.) Citation

Ward, James. Psychological Principles. Second edition. at the University Press, 1920.

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