APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Keegan, Warren, Tom Duncan, and Sandra Moriarty. Marketing. Englewood Cliffs, New Jersey: Prentice Hall, 1992.

MLA (9th ed.) Citation

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