WebLibNetWard, J. (1920). Psychological principles (2nd ed.). London: Cambridge University Press.
Chicago Style CitationWard, James. Psychological Principles. 2nd ed. London: Cambridge University Press, 1920.
MLA CitationWard, James. Psychological Principles. 2nd ed. London: Cambridge University Press, 1920.
Warning: These citations may not always be 100% accurate.