Cita APA (7a ed.)

Kroll, W. P. (1971). Perspectives in physical education. Academic Press.

Cita Chicago Style (17a ed.)

Kroll, Walter P. Perspectives in Physical Education. New York: Academic Press, 1971.

Cita MLA (8a ed.)

Kroll, Walter P. Perspectives in Physical Education. Academic Press, 1971.