APA (7th ed.) Citation

Pillsbury, W. B. (1930). The essentials of psychology / by W.B. Pillsbury (3rd ed.). Macmillan.

Chicago Style (17th ed.) Citation

Pillsbury, W. B. The Essentials of Psychology / by W.B. Pillsbury. 3rd ed. Macmillan, 1930.

MLA (9th ed.) Citation

Pillsbury, W. B. The Essentials of Psychology / by W.B. Pillsbury. 3rd ed. Macmillan, 1930.

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