Cita APA (7th ed.)

Sheehan, D. (1981). Shut up and sell!: Tested techniques for closing the sale. AMACOM.

Cita Chicago (17th ed.)

Sheehan, Don. Shut Up and Sell!: Tested Techniques for Closing the Sale. New York, N.Y: AMACOM, 1981.

Cita MLA (9th ed.)

Sheehan, Don. Shut Up and Sell!: Tested Techniques for Closing the Sale. AMACOM, 1981.