APA (7th ed.) Citation

Zelkind, I., & Sprug, J. (1974). Time research: 1172 studies. Scarecrow Pr.

Chicago Style (17th ed.) Citation

Zelkind, Irving, and Joseph Sprug. Time Research: 1172 Studies. Metuchen, N.J: Scarecrow Pr, 1974.

MLA (9th ed.) Citation

Zelkind, Irving, and Joseph Sprug. Time Research: 1172 Studies. Scarecrow Pr, 1974.

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