APA (7th ed.) Citation

Bolling, C. (1930). Retail Salesmanship (2nd.). Isaman Pitman.

Chicago Style (17th ed.) Citation

Bolling, C. Retail Salesmanship. 2nd. London: Isaman Pitman, 1930.

MLA (9th ed.) Citation

Bolling, C. Retail Salesmanship. 2nd. Isaman Pitman, 1930.