Cita APA (7a ed.)

Pritchard, M. C. (1937). The mechanical ability of subnormal boys. Columbia University.

Cita Chicago Style (17a ed.)

Pritchard, Miriam C. The Mechanical Ability of Subnormal Boys. New York: Columbia University, 1937.

Cita MLA (9a ed.)

Pritchard, Miriam C. The Mechanical Ability of Subnormal Boys. Columbia University, 1937.