Cita APA (7a ed.)

Strong, E. K. (1925). The psychology of selling and advertising. MacMillan.

Cita Chicago Style (17a ed.)

Strong, Edward K. The Psychology of Selling and Advertising. New York [etc.]: MacMillan, 1925.

Cita MLA (9a ed.)

Strong, Edward K. The Psychology of Selling and Advertising. MacMillan, 1925.