The battle of Gettysburg :
a comprehensive narrative /
by Jesse Bowman Young, an officer in the campaign; with maps, plans and illustrations.

APA Citation

Young, J. Bowman. (1996). The battle of Gettysburg: a comprehensive narrative. Carlisle, PA: John Kallmann Publishers.

MLA Citation

Young, Jesse Bowman, 1844-1914. The Battle of Gettysburg: a Comprehensive Narrative. Carlisle, PA: John Kallmann Publishers, 1996.

Warning: These citations may not always be complete (especially for serials).