Cita APA (7a ed.)

Bacon, G. M. W. (1969). Three weeks at Gettysburg. Cornell University Library.

Cita Chicago Style (17a ed.)

Bacon, Georgeanna Muirson Woolsey. Three Weeks at Gettysburg. [Lugar de publicación no identificado]: Cornell University Library, 1969.

Cita MLA (9a ed.)

Bacon, Georgeanna Muirson Woolsey. Three Weeks at Gettysburg. Cornell University Library, 1969.