APA (7th ed.) Citation

Roth, C. B. (1949). Professional salesmanship (First edition.). McGraw-Hill Book Company.

Chicago Style (17th ed.) Citation

Roth, Charles B. Professional Salesmanship. First edition. New York: McGraw-Hill Book Company, 1949.

MLA (9th ed.) Citation

Roth, Charles B. Professional Salesmanship. First edition. McGraw-Hill Book Company, 1949.