APA (7th ed.) Citation

Smart, W. K. (1916). How to write business letters. A. W. Shaw company.

Chicago Style (17th ed.) Citation

Smart, Walter Kay. How to Write Business Letters. New York, Chicago: A. W. Shaw company, 1916.

MLA (9th ed.) Citation

Smart, Walter Kay. How to Write Business Letters. A. W. Shaw company, 1916.