APA (7th ed.) Citation

Greif, E. C. (1958). Modern salesmanship: Principles and problems. Prentice-Hall.

Chicago Style (17th ed.) Citation

Greif, Edwin Charles. Modern Salesmanship: Principles and Problems. Englewood Cliffs, N.J: Prentice-Hall, 1958.

MLA (9th ed.) Citation

Greif, Edwin Charles. Modern Salesmanship: Principles and Problems. Prentice-Hall, 1958.