Burton, O. V., Cross, W., & Campbell, E. (2014). Penn Center: A history preserved. The University of Georgia Press.
芝加哥风格引文Burton, Orville Vernon, Wilbur Cross, 与 Emory Campbell. Penn Center: A History Preserved. Athens, Georgia: The University of Georgia Press, 2014.
MLA引文Burton, Orville Vernon, et al. Penn Center: A History Preserved. The University of Georgia Press, 2014.
警告：这些引文格式不一定是100％准确.