Cita APA

Engel, J. F., Kinnear, T. C., & Warshaw, M. R. (1979). Promotional strategy: Managing the marketing communications process (4th ed.). R. D. Irwin.

Citación estilo Chicago

Engel, James F., Thomas C. Kinnear, and Martin R. Warshaw. Promotional Strategy: Managing the Marketing Communications Process. 4th ed. Homewood, Ill.: R. D. Irwin, 1979.

Cita MLA

Engel, James F., et al. Promotional Strategy: Managing the Marketing Communications Process. 4th ed. R. D. Irwin, 1979.