APA (7th ed.) Citation

Thorpe, F. N. (1917). The essentials of American constitutional law. G.P. Putnam's Sons.

Chicago Style (17th ed.) Citation

Thorpe, Francis Newton. The Essentials of American Constitutional Law. New York London: G.P. Putnam's Sons, 1917.

MLA (9th ed.) Citation

Thorpe, Francis Newton. The Essentials of American Constitutional Law. G.P. Putnam's Sons, 1917.