APA (7th ed.) Citation
Pirenne, H., & Halsey, F. D. (1925). Medieval cities: Their origins and the revival of trade. Doubleday.
Chicago Style (17th ed.) Citation
Pirenne, Henri, and Frank D. Halsey. Medieval Cities: Their Origins and the Revival of Trade. New York: Doubleday, 1925.
MLA (9th ed.) Citation
Pirenne, Henri, and Frank D. Halsey. Medieval Cities: Their Origins and the Revival of Trade. Doubleday, 1925.
Warning: These citations may not always be 100% accurate.