APA (7th ed.) Citation

William R. Spriegel, P. S. (1957). ELEMENTS OF SUPERVISION. John Wiley & Sons, inc..

Chicago Style (17th ed.) Citation

William R. Spriegel, Ph.D.Edward Schulz. ELEMENTS OF SUPERVISION. John Wiley & Sons, inc., 1957.

MLA (8th ed.) Citation

William R. Spriegel, Ph.D.Edward Schulz. ELEMENTS OF SUPERVISION. John Wiley & Sons, inc., 1957.

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