Gardner, E. H. (1919). Effective business letters: Their requirements and preparation, with specific directions for the various types of letters commonly used in business (2nd ed.). The Roland press Company.
Chicago Style (17th ed.) CitationGardner, Edward Hall. Effective Business Letters: Their Requirements and Preparation, with Specific Directions for the Various Types of Letters Commonly Used in Business. 2nd ed. New York: The Roland press Company, 1919.
MLA (8th ed.) CitationGardner, Edward Hall. Effective Business Letters: Their Requirements and Preparation, with Specific Directions for the Various Types of Letters Commonly Used in Business. 2nd ed. The Roland press Company, 1919.
Warning: These citations may not always be 100% accurate.