APA (7th ed.) Citation

Kotler, P. (1981). Principles of marketing. Prentice-Hall.

Chicago Style (17th ed.) Citation

Kotler, Philip. Principles of Marketing. Englewood Cliffs, N. J: Prentice-Hall, 1981.

MLA (9th ed.) Citation

Kotler, Philip. Principles of Marketing. Prentice-Hall, 1981.