APA (7th ed.) Citation

Condé Nast Publications, KOCH Vision (Firm), & Zaki, V. (2005). Your best butt fast! KOCH Vision.

Chicago Style (17th ed.) Citation

Condé Nast Publications, KOCH Vision (Firm), and Violet Zaki. Your Best Butt Fast! Port Washington, NY: KOCH Vision, 2005.

MLA (9th ed.) Citation

Condé Nast Publications, et al. Your Best Butt Fast! KOCH Vision, 2005.