Style de citation APA (7e éd.)

Penny, E. M. (1932). The co-operative movement and the consumer. York: National Guild of Co-operators (NGC).

Style de citation Chicago (17e éd.)

Penny, Edna M. The Co-operative Movement and the Consumer. York: National Guild of Co-operators (NGC), 1932.

Style de citation MLA (8e éd.)

Penny, Edna M. The Co-operative Movement and the Consumer. York: National Guild of Co-operators (NGC), 1932.