Cita APA (7th ed.)

Mackintosh, C. H. (1923). Creative selling, making and keeping customers. D. Appleton.

Cita Chicago (17th ed.)

Mackintosh, Charles Henry. Creative Selling, Making and Keeping Customers. New York: D. Appleton, 1923.

Cita MLA (9th ed.)

Mackintosh, Charles Henry. Creative Selling, Making and Keeping Customers. D. Appleton, 1923.