Cita APA (7a ed.)

Schoell, W. F., & Guiltinan, J. P. (1990). Marketing: Contemporary concepts and practices (4th ed.). Allyn and Bacon.

Cita Chicago Style (17a ed.)

Schoell, William F., y Joseph P. Guiltinan. Marketing: Contemporary Concepts and Practices. 4th ed. Boston: Allyn and Bacon, 1990.

Cita MLA (9a ed.)

Schoell, William F., y Joseph P. Guiltinan. Marketing: Contemporary Concepts and Practices. 4th ed. Allyn and Bacon, 1990.