Dyfyniad APA

1878-1967 Sandburg, C. (1960). Abraham Lincoln: The prairie years and the war years: in three volumes (Primera edición.). Editoral Dell Publishing.

Dyfyniad Arddull Chicago

1878-1967 Sandburg, Carl. Abraham Lincoln: The Prairie Years and the War Years: in Three Volumes. Primera edición. New York: Editoral Dell Publishing, 1960.

Dyfyniad MLA

1878-1967 Sandburg, Carl. Abraham Lincoln: The Prairie Years and the War Years: in Three Volumes. Primera edición. Editoral Dell Publishing, 1960.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.