APA (7th ed.) Citation

Woodworth, S. E. (2003). Beneath a northern sky: A short history of the Gettysburg Campaign. SR Books.

Chicago Style (17th ed.) Citation

Woodworth, Steven E. Beneath a Northern Sky: A Short History of the Gettysburg Campaign. Wilmington, Del.: SR Books, 2003.

MLA (9th ed.) Citation

Woodworth, Steven E. Beneath a Northern Sky: A Short History of the Gettysburg Campaign. SR Books, 2003.