APA (7th ed.) Citation

Thomas, D. H. (1975). The new guide to the diplomatic archives of Western Europe. University of Pennsylvania Press.

Chicago Style (17th ed.) Citation

Thomas, Daniel Harrison. The New Guide to the Diplomatic Archives of Western Europe. Philadelphia: University of Pennsylvania Press, 1975.

MLA (8th ed.) Citation

Thomas, Daniel Harrison. The New Guide to the Diplomatic Archives of Western Europe. University of Pennsylvania Press, 1975.