APA (7th ed.) Citation

Ryan, T. J. (2015). Spies, scouts and secrets in the Gettysburg campaign: How the critical role of intelligence impacted the outcome of Lee's invasion of the north, June-July, 1863. Savas Beatie.

Chicago Style (17th ed.) Citation

Ryan, Thomas J. Spies, Scouts and Secrets in the Gettysburg Campaign: How the Critical Role of Intelligence Impacted the Outcome of Lee's Invasion of the North, June-July, 1863. El Dorado Hills, California: Savas Beatie, 2015.

MLA (9th ed.) Citation

Ryan, Thomas J. Spies, Scouts and Secrets in the Gettysburg Campaign: How the Critical Role of Intelligence Impacted the Outcome of Lee's Invasion of the North, June-July, 1863. Savas Beatie, 2015.