Citazione Stile APA (7a Edizione)

Hennessy, M. E. (1924). Calvin Coolidge: From a Green mountain farm to the White House. G.P. Putnam's sons.

Citazione stile Chigago Style (17a edizione)

Hennessy, Michael Edmund. Calvin Coolidge: From a Green Mountain Farm to the White House. New York & London: G.P. Putnam's sons, 1924.

Citatione MLA (9a ed.)

Hennessy, Michael Edmund. Calvin Coolidge: From a Green Mountain Farm to the White House. G.P. Putnam's sons, 1924.