APA (7th ed.) Citation

Ludlow, W. L. (1941). The American Constitution. The Radcliffe Press.

Chicago Style (17th ed.) Citation

Ludlow, William Linnaeus. The American Constitution. New Concord, O.: The Radcliffe Press, 1941.

MLA (9th ed.) Citation

Ludlow, William Linnaeus. The American Constitution. The Radcliffe Press, 1941.