Dyfyniad APA
ebrary, Inc, Williams, F. J., & Burkhimer, M. (2012). The Mary Lincoln enigma: Historians on America's most controversial First Lady. Southern Illinois University Press.
Dyfyniad Arddull Chicago
ebrary, Inc, Frank J. Williams, and Michael Burkhimer. The Mary Lincoln Enigma: Historians on America's Most Controversial First Lady. Carbondale: Southern Illinois University Press, 2012.
Dyfyniad MLA
ebrary, Inc, et al. The Mary Lincoln Enigma: Historians on America's Most Controversial First Lady. Southern Illinois University Press, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.