APA (7th ed.) Citation

Pena, W., aKelly Kevin, & Parshall, S. (1987). Problem seeking: An architectural programming primer (3rd ed.). AIA Press.

Chicago Style (17th ed.) Citation

Pena, William, aKelly Kevin, and Steven Parshall. Problem Seeking: An Architectural Programming Primer. 3rd ed. Washington, D.C: AIA Press, 1987.

MLA (9th ed.) Citation

Pena, William, et al. Problem Seeking: An Architectural Programming Primer. 3rd ed. AIA Press, 1987.