1878-1967 Sandburg, C. (1960). Abraham Lincoln: The prairie years and the war years: in three volumes (Primera edición.). Editoral Dell Publishing.
Chicagoスタイル(17版)引用形式1878-1967 Sandburg, Carl. Abraham Lincoln: The Prairie Years and the War Years: in Three Volumes. Primera edición. New York: Editoral Dell Publishing, 1960.
MLA(8版)引用形式1878-1967 Sandburg, Carl. Abraham Lincoln: The Prairie Years and the War Years: in Three Volumes. Primera edición. Editoral Dell Publishing, 1960.
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