APA (7th ed.) Citation

Helitzer, M. (1987). Comedy writing secrets. Writer's Digest Books.

Chicago Style (17th ed.) Citation

Helitzer, Melvin. Comedy Writing Secrets. Cincinnati, Ohio: Writer's Digest Books, 1987.

MLA (9th ed.) Citation

Helitzer, Melvin. Comedy Writing Secrets. Writer's Digest Books, 1987.

Warning: These citations may not always be 100% accurate.