APA (7th ed.) Citation

Guthrie, E. R., & Edwards, A. L. (1949). Psychology First course in Human Behavior. Harper & Brothers Publishers.

Chicago Style (17th ed.) Citation

Guthrie, Edwin R., and Allen L. Edwards. Psychology First Course in Human Behavior. Harper & Brothers Publishers, 1949.

MLA (8th ed.) Citation

Guthrie, Edwin R., and Allen L. Edwards. Psychology First Course in Human Behavior. Harper & Brothers Publishers, 1949.

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