APA (7th ed.) Citation

Marx, M. H., & Tombaugh, T. M. (1967). Motivation; psychological principles and educational implications.

Chicago Style (17th ed.) Citation

Marx, Melvin Herman, and Tom M. Tombaugh. Motivation; Psychological Principles and Educational Implications. 1967.

MLA (9th ed.) Citation

Marx, Melvin Herman, and Tom M. Tombaugh. Motivation; Psychological Principles and Educational Implications. 1967.

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