Rosenthal, I., & Rudman, H. W. (1968). Business letter writing made simple (Rev. ed.). Doubleday.
Chicago Style (17th ed.) CitationRosenthal, Irving, and Harry W. Rudman. Business Letter Writing Made Simple. Rev. ed. Garden City, N.Y.: Doubleday, 1968.
MLA (9th ed.) CitationRosenthal, Irving, and Harry W. Rudman. Business Letter Writing Made Simple. Rev. ed. Doubleday, 1968.
Warning: These citations may not always be 100% accurate.