APA (7th ed.) Citation

Murphy, G. (1951). An introductory to psychology. Harper and Brothers.

Chicago Style (17th ed.) Citation

Murphy, Gardner. An Introductory to Psychology. New York: Harper and Brothers, 1951.

MLA (9th ed.) Citation

Murphy, Gardner. An Introductory to Psychology. Harper and Brothers, 1951.

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