Cita APA (7a ed.)

Keegan, W., Moriarty, S., & Duncan, T. (1992). Marketing. Prentice Hall.

Cita Chicago Style (17a ed.)

Keegan, Warren, Sandra Moriarty, y Tom Duncan. Marketing. Englewood Cliffs: Prentice Hall, 1992.

Cita MLA (9a ed.)

Keegan, Warren, et al. Marketing. Prentice Hall, 1992.