Cita APA (7a ed.)

Corbett, R. S. (2011). How to make money with email marketing. FTPress.

Cita Chicago Style (17a ed.)

Corbett, R. Scott. How to Make Money with Email Marketing. Upper Saddle River, N.J.: FTPress, 2011.

Cita MLA (8a ed.)

Corbett, R. Scott. How to Make Money with Email Marketing. FTPress, 2011.