APA (7th ed.) Citation

Day, S., Grattaroti, R., & McDonald, E. (1994). Shopping bag design. Rockport Publishers.

Chicago Style (17th ed.) Citation

Day, Sara, Rosalie Grattaroti, and Eilis McDonald. Shopping Bag Design. Rockport, Mass: Rockport Publishers, 1994.

MLA (9th ed.) Citation

Day, Sara, et al. Shopping Bag Design. Rockport Publishers, 1994.