Cita APA

Neilson, N. P., & Hagen, W. v. (1929). Physical education for elementary schools. New York, New York: A S Barnes.

Citación estilo Chicago

Neilson, N. P., y Winifred van Hagen. Physical Education for Elementary Schools. New York, New York: A S Barnes, 1929.

Cita MLA

Neilson, N. P., y Winifred van Hagen. Physical Education for Elementary Schools. New York, New York: A S Barnes, 1929.