APA (7th ed.) Citation

Maclear, G. F. (1863). A History of Christian Missions during the Middle Ages. Macmillan.

Chicago Style (17th ed.) Citation

Maclear, George Frederick. A History of Christian Missions During the Middle Ages. Cambridge & London: Macmillan, 1863.

MLA (9th ed.) Citation

Maclear, George Frederick. A History of Christian Missions During the Middle Ages. Macmillan, 1863.