Citazione Stile APA (7a Edizione)

Engel, J. F., Talarzyk, W. W., & Larson, C. M. (1971). Cases in promotional strategy. Richard D. Irwin.

Citazione stile Chigago Style (17a edizione)

Engel, James F., W. Wayne Talarzyk, e Carl M. Larson. Cases in Promotional Strategy. Homewood: Richard D. Irwin, 1971.

Citatione MLA (9a ed.)

Engel, James F., et al. Cases in Promotional Strategy. Richard D. Irwin, 1971.