Foster, G. (1950). Abrahan Lincoln An initial biography. Charles Acribner's Sons.
Cita Chicago (17th ed.)Foster, Genovive. Abrahan Lincoln An Initial Biography. Charles Acribner's Sons, 1950.
Cita MLA (9th ed.)Foster, Genovive. Abrahan Lincoln An Initial Biography. Charles Acribner's Sons, 1950.
Atenció: Aquestes cites poden no estar 100% correctes.