Cita APA (7a ed.)

Hassler, W. W. (2010). First Day at Gettysburg: Crisis at the Crossroads. University of Alabama Press.

Cita Chicago Style (17a ed.)

Hassler, Warren W. First Day at Gettysburg: Crisis at the Crossroads. Tuscaloosa, Ala.: University of Alabama Press, 2010.

Cita MLA (8a ed.)

Hassler, Warren W. First Day at Gettysburg: Crisis at the Crossroads. University of Alabama Press, 2010.