Cita APA (7a ed.)

Spencer, L., & Spencer, S. M. (1993). Competence at work: Models for superior performance. John Wiley & Sons.

Cita Chicago Style (17a ed.)

Spencer, Lyle, y Signe M. Spencer. Competence at Work: Models for Superior Performance. New York [etc.]: John Wiley & Sons, 1993.

Cita MLA (9a ed.)

Spencer, Lyle, y Signe M. Spencer. Competence at Work: Models for Superior Performance. John Wiley & Sons, 1993.