APA (7th ed.) Citation

Lewis, H. G. (1990). How to write "powerful" catalog copy. Bonus Books.

Chicago Style (17th ed.) Citation

Lewis, Herschell Gordon. How to Write "Powerful" Catalog Copy. Chicago: Bonus Books, 1990.

MLA (9th ed.) Citation

Lewis, Herschell Gordon. How to Write "Powerful" Catalog Copy. Bonus Books, 1990.

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