Greif, E. C. (1959). Modern salesmanship: Principles and problems. Prentice Hall.
Chicago Style (17th ed.) CitationGreif, Edwin Charles. Modern Salesmanship: Principles and Problems. Englewood Cliffs, New Jersey: Prentice Hall, 1959.
MLA (9th ed.) CitationGreif, Edwin Charles. Modern Salesmanship: Principles and Problems. Prentice Hall, 1959.
Warning: These citations may not always be 100% accurate.