APA (7th ed.) Citation

Cassill, K. (1981). The complete handbook for freelance writers. Writer's Digest Books.

Chicago Style (17th ed.) Citation

Cassill, Kay. The Complete Handbook for Freelance Writers. Cincinnati, Ohio: Writer's Digest Books, 1981.

MLA (9th ed.) Citation

Cassill, Kay. The Complete Handbook for Freelance Writers. Writer's Digest Books, 1981.