APA (7th ed.) Citation
Neff, G. T. (1989). 1990 writer's market: Where and how to sell what you write (ed.). Writer's digest Books.
Chicago Style (17th ed.) Citation
Neff, Glenda Tennnant. 1990 Writer's Market: Where and How to Sell What You Write. ed. Cincinnati: Writer's digest Books, 1989.
MLA (9th ed.) Citation
Neff, Glenda Tennnant. 1990 Writer's Market: Where and How to Sell What You Write. ed. Writer's digest Books, 1989.
Warning: These citations may not always be 100% accurate.