The gateway to the middle ages,
by Eleanor Shipley Duckett.
APA Citation
Duckett, E. Shipley. (1938). The gateway to the middle ages. New York: The Macmillan company.
MLA Citation
Duckett, Eleanor Shipley. The Gateway to the Middle Ages. New York: The Macmillan company, 1938.
Warning: These citations may not always be complete (especially for serials).