Buckley, E. A. (1961). How to increase sales with letters. McGraw-Hill.
Chicago Style (17th ed.) CitationBuckley, Earle A. How to Increase Sales with Letters. McGraw-Hill, 1961.
MLA (8th ed.) CitationBuckley, Earle A. How to Increase Sales with Letters. McGraw-Hill, 1961.
Warning: These citations may not always be 100% accurate.