APA (7th ed.) Citation

Runkel, P. J. 1., & McGrath, J. E. 1. (1972). Research on human behavior; a systematic guide to method. Holt.

Chicago Style (17th ed.) Citation

Runkel, Philip Julian 1917, and Joseph Edward 1927 McGrath. Research on Human Behavior; a Systematic Guide to Method. New York: Holt, 1972.

MLA (9th ed.) Citation

Runkel, Philip Julian 1917, and Joseph Edward 1927 McGrath. Research on Human Behavior; a Systematic Guide to Method. Holt, 1972.