Compton, R. (1954). Freedom's frontier: A history of our country. Lyons and Carnahan.
Citazione stile Chigago Style (17a edizione)Compton, Ray. Freedom's Frontier: A History of Our Country. Chicago: Lyons and Carnahan, 1954.
Citatione MLA (9a ed.)Compton, Ray. Freedom's Frontier: A History of Our Country. Lyons and Carnahan, 1954.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.