Greene, A. W., Gallagher, G. W., & Abell, S. (1992). National Geographic guide to the Civil War national battlefield parks. Washington, D.C.: National Geographic Society.
Chicago Style CitationGreene, A. Wilson., Gary W. Gallagher, and Sam Abell. National Geographic Guide to the Civil War National Battlefield Parks. Washington, D.C.: National Geographic Society, 1992.
MLA CitationGreene, A. Wilson., Gary W. Gallagher, and Sam Abell. National Geographic Guide to the Civil War National Battlefield Parks. Washington, D.C.: National Geographic Society, 1992.