APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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