APA (7th ed.) Citation

Zelkind, I., & Sprug, J. (1971). Increased Control Through Decreased Controls: A Motivational Approach to a Library Circulation Problem.

Chicago Style (17th ed.) Citation

Zelkind, Irving, and Joseph Sprug. Increased Control Through Decreased Controls: A Motivational Approach to a Library Circulation Problem. 1971.

MLA (9th ed.) Citation

Zelkind, Irving, and Joseph Sprug. Increased Control Through Decreased Controls: A Motivational Approach to a Library Circulation Problem. 1971.

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