APA (7th ed.) Citation

Brady, M. B., & Gardner, A. (2013). Original Photographs Taken on the Battlefields during the Civil War of the United States. Project Gutenberg.

Chicago Style (17th ed.) Citation

Brady, Mathew B., and Alexander Gardner. Original Photographs Taken on the Battlefields During the Civil War of the United States. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Brady, Mathew B., and Alexander Gardner. Original Photographs Taken on the Battlefields During the Civil War of the United States. Project Gutenberg, 2013.

Warning: These citations may not always be 100% accurate.