APA
Woodruff D., . (1934). Charlemagne. Edinburgh: Peter Davies Limited.
Chicago
Woodruff Douglas, . 1934. Charlemagne. Edinburgh: Peter Davies Limited.
Harvard
Woodruff D., . (1934). Charlemagne. Edinburgh: Peter Davies Limited.
MLA
Woodruff Douglas, . Charlemagne. Edinburgh: Peter Davies Limited. 1934.
