APA (7th ed.) Citation

Herlihy, D. (1971). The history of feudalism. Macmillan.

Chicago Style (17th ed.) Citation

Herlihy, David. The History of Feudalism. London: Macmillan, 1971.

MLA (9th ed.) Citation

Herlihy, David. The History of Feudalism. Macmillan, 1971.

Warning: These citations may not always be 100% accurate.