APA Citation

Melton, H. K. 1., & Schlesinger, H. R. (2021). Spy sites of Philadelphia: A guide to the region's secret history. Washington, D.C.: Georgetown University Press.

Chicago Style Citation

Melton, H. Keith 1944-, and Henry R. Schlesinger. Spy Sites of Philadelphia: A Guide to the Region's Secret History. Washington, D.C.: Georgetown University Press, 2021.

MLA Citation

Melton, H. Keith 1944-, and Henry R. Schlesinger. Spy Sites of Philadelphia: A Guide to the Region's Secret History. Washington, D.C.: Georgetown University Press, 2021.

Warning: These citations may not always be 100% accurate.