Knowlton, D. C. (1930). The Knowlton work-book in American history. Century Co.
Citación estilo ChicagoKnowlton, Daniel C. The Knowlton Work-book in American History. New York, London: Century Co, 1930.
Cita MLAKnowlton, Daniel C. The Knowlton Work-book in American History. Century Co, 1930.
Warning: These citations may not always be 100% accurate.