Cita APA

Switzky, H. N. (2004). Personality and motivational systems in mental retardation Vol.28. Elsevier.

Citación estilo Chicago

Switzky, Harvey N. Personality and Motivational Systems in Mental Retardation Vol.28. Amsterdam: Elsevier, 2004.

Cita MLA

Switzky, Harvey N. Personality and Motivational Systems in Mental Retardation Vol.28. Elsevier, 2004.