APA (7th ed.) Citation

Wigmore, J. H. (1929). A map of the world's law. [American Geographical Society].

Chicago Style (17th ed.) Citation

Wigmore, John Henry. A Map of the World's Law. [New York, New York]: [American Geographical Society], 1929.

MLA (9th ed.) Citation

Wigmore, John Henry. A Map of the World's Law. [American Geographical Society], 1929.