APA (7th ed.) Citation

Helmstadter, G. C. (1970). Research concepts in human behavior: Education, psychology, sociology. Appleton-Century-Crofts.

Chicago Style (17th ed.) Citation

Helmstadter, G. C. Research Concepts in Human Behavior: Education, Psychology, Sociology. New York: Appleton-Century-Crofts, 1970.

MLA (8th ed.) Citation

Helmstadter, G. C. Research Concepts in Human Behavior: Education, Psychology, Sociology. Appleton-Century-Crofts, 1970.

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