APA (7th ed.) Citation

Bender, L., Brune, C., & Raffe, S. (2007). Oklahoma: A portrait of America. Billy Books.

Chicago Style (17th ed.) Citation

Bender, Libby, Carl Brune, and Scott Raffe. Oklahoma: A Portrait of America. Tulsa, Okla.: Billy Books, 2007.

MLA (9th ed.) Citation

Bender, Libby, et al. Oklahoma: A Portrait of America. Billy Books, 2007.