APA (7th ed.) Citation

Spriegel, W. R., & Schulz, E. j. a. (1942). Elements of supervision. J. Wiley & sons.

Chicago Style (17th ed.) Citation

Spriegel, William Robert, and Edward joint author Schulz. Elements of Supervision. New York: J. Wiley & sons, 1942.

MLA (9th ed.) Citation

Spriegel, William Robert, and Edward joint author Schulz. Elements of Supervision. J. Wiley & sons, 1942.