APA (7th ed.) Citation

Herlihy, D. (1970). The history of feudalism. Macmillan.

Chicago Style (17th ed.) Citation

Herlihy, David. The History of Feudalism. Macmillan, 1970.

MLA (9th ed.) Citation

Herlihy, David. The History of Feudalism. Macmillan, 1970.

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