APA (7e ed.) Bronvermelding

Pritchard, M. H., & Emerson, J. (2011). The dark days of Abraham Lincoln's widow, as revealed by her own letters. Southern Illinois University Press.

Chicago (17e ed.) Bronvermelding

Pritchard, Myra Helmer, en Jason Emerson. The Dark Days of Abraham Lincoln's Widow, as Revealed by Her Own Letters. Carbondale: Southern Illinois University Press, 2011.

MLA (9e ed.) Bronvermelding

Pritchard, Myra Helmer, en Jason Emerson. The Dark Days of Abraham Lincoln's Widow, as Revealed by Her Own Letters. Southern Illinois University Press, 2011.