APA (7th ed.) Citation

Hahn, P. R. (2005). The only writing book you'll ever need: A complete resource for perfecting any type of writing. Adams Media.

Chicago Style (17th ed.) Citation

Hahn, Pamela Rice. The Only Writing Book You'll Ever Need: A Complete Resource for Perfecting Any Type of Writing. Avon, Mass: Adams Media, 2005.

MLA (9th ed.) Citation

Hahn, Pamela Rice. The Only Writing Book You'll Ever Need: A Complete Resource for Perfecting Any Type of Writing. Adams Media, 2005.