APA-referens (7:e uppl.)

Tiedeman, C. G. (1890). The unwritten constitution of the United States: A philosophical inquiry into the fundamentals of American constitutional law. G.P. Putnam's Sons.

Chicago-referens (17:e uppl.)

Tiedeman, Christopher G. The Unwritten Constitution of the United States: A Philosophical Inquiry into the Fundamentals of American Constitutional Law. New York ; London: G.P. Putnam's Sons, 1890.

MLA-referens (8:e uppl.)

Tiedeman, Christopher G. The Unwritten Constitution of the United States: A Philosophical Inquiry into the Fundamentals of American Constitutional Law. G.P. Putnam's Sons, 1890.