APA (7th ed.) Citation

O'Hara, S. E., & Ballast, D. K. (2005). Architecture exam review (6th ed.). Professional Publications.

Chicago Style (17th ed.) Citation

O'Hara, Steven E., and David Kent Ballast. Architecture Exam Review. 6th ed. Belmont, CA: Professional Publications, 2005.

MLA (9th ed.) Citation

O'Hara, Steven E., and David Kent Ballast. Architecture Exam Review. 6th ed. Professional Publications, 2005.