APA (7th ed.) Citation

Nixon, H. K. (1942). Principles of selling (2. ed., 6. impr.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Nixon, Howard K. Principles of Selling. 2. ed., 6. impr. New York, NY [u.a.]: McGraw-Hill, 1942.

MLA (9th ed.) Citation

Nixon, Howard K. Principles of Selling. 2. ed., 6. impr. McGraw-Hill, 1942.