Citazione Stile APA (7a Edizione)

Hassler, W. W. (2010). The first day at Gettysburg: Crisis at the crossroads. University of Alabama Press.

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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