Cita APA (7a ed.)

Marshall, D. R. (1999). The four elements of successful management. AMACOM.

Cita Chicago Style (17a ed.)

Marshall, Don R. The Four Elements of Successful Management. New York: AMACOM, 1999.

Cita MLA (9a ed.)

Marshall, Don R. The Four Elements of Successful Management. AMACOM, 1999.