Dyfyniad APA

ebrary, Inc, Holzer, H., & Gabbard, S. V. (2013). 1863: Lincoln's pivotal year. Southern Illinois University.

Dyfyniad Arddull Chicago

ebrary, Inc, Harold Holzer, and Sara Vaughn Gabbard. 1863: Lincoln's Pivotal Year. Carbondale: Southern Illinois University, 2013.

Dyfyniad MLA

ebrary, Inc, et al. 1863: Lincoln's Pivotal Year. Southern Illinois University, 2013.

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