Cita APA

Ryan, T. A. (1947). Work and effort: The psychology of production. Ronald Press Co.

Citación estilo Chicago

Ryan, Thomas A. Work and Effort: The Psychology of Production. New York: Ronald Press Co, 1947.

Cita MLA

Ryan, Thomas A. Work and Effort: The Psychology of Production. Ronald Press Co, 1947.

Warning: These citations may not always be 100% accurate.