APA (7th ed.) Citation

Westermarck, E. (1936). The future of marriage in western civilisation. Macmillan.

Chicago Style (17th ed.) Citation

Westermarck, Edward. The Future of Marriage in Western Civilisation. New York: Macmillan, 1936.

MLA (9th ed.) Citation

Westermarck, Edward. The Future of Marriage in Western Civilisation. Macmillan, 1936.

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