APA
Stephenson C., . (1956). Mediaeval feudalism. Ithaca: Great Seal Books.
Chicago
Stephenson Carl, . 1956. Mediaeval feudalism. Ithaca: Great Seal Books.
Harvard
Stephenson C., . (1956). Mediaeval feudalism. Ithaca: Great Seal Books.
MLA
Stephenson Carl, . Mediaeval feudalism. Ithaca: Great Seal Books. 1956.
