Cita APA (7a ed.)

Kerr, C. A. (1947). Studies in the Free-Time Activities of Children. Association Press.

Cita Chicago Style (17a ed.)

Kerr, Chester Arthur. Studies in the Free-Time Activities of Children. New York: Association Press, 1947.

Cita MLA (9a ed.)

Kerr, Chester Arthur. Studies in the Free-Time Activities of Children. Association Press, 1947.