APA (7th ed.) Citation

Humphrey, J. H., Love, A. M., & Irwin, L. W. (1980). Principles and techniques of supervision in physical education (3rd ed.). Princeton Book Co..

Chicago Style (17th ed.) Citation

Humphrey, James H., Alice M. Love, and L. W. Irwin. Principles and Techniques of Supervision in Physical Education. 3rd ed. Princeton, N.J.: Princeton Book Co., 1980.

MLA (9th ed.) Citation

Humphrey, James H., et al. Principles and Techniques of Supervision in Physical Education. 3rd ed. Princeton Book Co., 1980.