APA (7th ed.) Citation

Nauheim, F. (1982). Letter perfect: How to write business letters that work. Van Nostrand Reinhold.

Chicago Style (17th ed.) Citation

Nauheim, Ferd. Letter Perfect: How to Write Business Letters That Work. New York: Van Nostrand Reinhold, 1982.

MLA (9th ed.) Citation

Nauheim, Ferd. Letter Perfect: How to Write Business Letters That Work. Van Nostrand Reinhold, 1982.