Cita APA (7a ed.)

Fisk, G. M. (1967). Marketing systems: An introductory analysis. Harper & Row [etc.].

Cita Chicago Style (17a ed.)

Fisk, George Mygatt. Marketing Systems: An Introductory Analysis. New York [etc.]: Harper & Row [etc.], 1967.

Cita MLA (9a ed.)

Fisk, George Mygatt. Marketing Systems: An Introductory Analysis. Harper & Row [etc.], 1967.