Cita APA (7a ed.)

National Society for the Study of Education. & Whipple, G. M. (1934). The activity movement. Public School Pub. Co.

Cita Chicago Style (17a ed.)

National Society for the Study of Education. y Guy Montrose Whipple. The Activity Movement. Bloomington, IL: Public School Pub. Co, 1934.

Cita MLA (9a ed.)

National Society for the Study of Education. y Guy Montrose Whipple. The Activity Movement. Public School Pub. Co, 1934.