APA (7th ed.) Citation

Westermarck, E. (1926). A short history of marriage. Macmillan.

Chicago Style (17th ed.) Citation

Westermarck, Edward. A Short History of Marriage. London: Macmillan, 1926.

MLA (9th ed.) Citation

Westermarck, Edward. A Short History of Marriage. Macmillan, 1926.

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