Cita APA (7th ed.)

Burton, O. V., Cross, W., & Campbell, E. (2014). Penn Center: A history preserved. The University of Georgia Press.

Cita Chicago (17th ed.)

Burton, Orville Vernon, Wilbur Cross, i Emory Campbell. Penn Center: A History Preserved. Athens, Georgia: The University of Georgia Press, 2014.

Cita MLA (9th ed.)

Burton, Orville Vernon, et al. Penn Center: A History Preserved. The University of Georgia Press, 2014.