Cita APA (7a ed.)

Mullen, J., & Daniels, D. (2009). Email marketing: An hour a day. Wiley.

Cita Chicago Style (17a ed.)

Mullen, Jeanniey, y David Daniels. Email Marketing: An Hour a Day. Indianapolis (Indiana): Wiley, 2009.

Cita MLA (9a ed.)

Mullen, Jeanniey, y David Daniels. Email Marketing: An Hour a Day. Wiley, 2009.