Citazione Stile APA (7a Edizione)

Humphrey, J. H. (1976). Improving learning ability through compensatory physical education. C. C. Thomas.

Citazione stile Chigago Style (17a edizione)

Humphrey, James Harry. Improving Learning Ability Through Compensatory Physical Education. Springfield, Ill: C. C. Thomas, 1976.

Citatione MLA (9a ed.)

Humphrey, James Harry. Improving Learning Ability Through Compensatory Physical Education. C. C. Thomas, 1976.