Citazione Stile APA (7a Edizione)

Barker, E. J., & Packham, A. F. (1977). About shops (1. publ., 12. printing.). Evans.

Citazione stile Chigago Style (17a edizione)

Barker, Eric J., e Alex F. Packham. About Shops. 1. publ., 12. printing. London: Evans, 1977.

Citatione MLA (9a ed.)

Barker, Eric J., e Alex F. Packham. About Shops. 1. publ., 12. printing. Evans, 1977.