APA (7th ed.) Citation

Kotler, P., Armstrong, G., & Paczkowski, T. J. (1994). Learning guide principles of marketing (6th ed.). Prentice-Hall.

Chicago Style (17th ed.) Citation

Kotler, Philip, Gary Armstrong, and Thomas J. Paczkowski. Learning Guide Principles of Marketing. 6th ed. Englewood, Cliffs, NJ: Prentice-Hall, 1994.

MLA (9th ed.) Citation

Kotler, Philip, et al. Learning Guide Principles of Marketing. 6th ed. Prentice-Hall, 1994.