APA (7th ed.) Citation

(1970). Harpers Ferry: A tour guide. Eastern National Park and Monument Association.

Chicago Style (17th ed.) Citation

Harpers Ferry: A Tour Guide. [United States]: Eastern National Park and Monument Association, 1970.

MLA (9th ed.) Citation

Harpers Ferry: A Tour Guide. Eastern National Park and Monument Association, 1970.

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