APA (7th ed.) Citation

Willoughby, W. W., & Sachs, L. (1929). The constitutional law of the United States. Baker, Voorhis.

Chicago Style (17th ed.) Citation

Willoughby, Westel Woodbury, and Leon Sachs. The Constitutional Law of the United States. New York: Baker, Voorhis, 1929.

MLA (9th ed.) Citation

Willoughby, Westel Woodbury, and Leon Sachs. The Constitutional Law of the United States. Baker, Voorhis, 1929.