APA (7th ed.) Citation

James, W. (1994). The principles of psychology (2nd ed., 5th printing.). Encyclopaedia Britannica.

Chicago Style (17th ed.) Citation

James, William. The Principles of Psychology. 2nd ed., 5th printing. Chicago, Ill [etc.]: Encyclopaedia Britannica, 1994.

MLA (9th ed.) Citation

James, William. The Principles of Psychology. 2nd ed., 5th printing. Encyclopaedia Britannica, 1994.