Style de citation APA (7e éd.)

Norton, H. R. (1919). A textbook on retail selling. Ginn and Company.

Style de citation Chicago (17e éd.)

Norton, Helen Rich. A Textbook on Retail Selling. Boston : New York [etc.]: Ginn and Company, 1919.

Style de citation MLA (8e éd.)

Norton, Helen Rich. A Textbook on Retail Selling. Ginn and Company, 1919.