Cita APA (7a ed.)

Engel, J. F., & Warshaw, M. R. (1994). Promotional strategy: Managing the marketing communications process (8th ed.). IRWIN.

Cita Chicago Style (17a ed.)

Engel, James F., y Martin R. Warshaw. Promotional Strategy: Managing the Marketing Communications Process. 8th ed. Chicago: IRWIN, 1994.

Cita MLA (9a ed.)

Engel, James F., y Martin R. Warshaw. Promotional Strategy: Managing the Marketing Communications Process. 8th ed. IRWIN, 1994.