Cita APA (7th ed.)

Sibson, R. E. (1976). Increasing employee productivity. AMACOM.

Cita Chicago (17th ed.)

Sibson, Robert Earl. Increasing Employee Productivity. New York: AMACOM, 1976.

Cita MLA (9th ed.)

Sibson, Robert Earl. Increasing Employee Productivity. AMACOM, 1976.