APA (7th ed.) Citation

Canfield, B. R. (1958). Salesmanship; practices and problems (3rd ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Canfield, Bertrand R. Salesmanship; Practices and Problems. 3rd ed. New York: McGraw-Hill, 1958.

MLA (9th ed.) Citation

Canfield, Bertrand R. Salesmanship; Practices and Problems. 3rd ed. McGraw-Hill, 1958.