Citazione Stile APA (7a Edizione)
Spruill, M. (2011). Decisions at Gettysburg: The nineteen critical decisions that defined the campaign. University of Tennessee Press.
Citazione stile Chigago Style (17a edizione)
Spruill, Matt. Decisions at Gettysburg: The Nineteen Critical Decisions That Defined the Campaign. Knoxville: University of Tennessee Press, 2011.
Citatione MLA (9a ed.)
Spruill, Matt. Decisions at Gettysburg: The Nineteen Critical Decisions That Defined the Campaign. University of Tennessee Press, 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.