APA (7th ed.) Citation

(2015). Harriet Tubman Underground Railroad National Monument, Maryland. National Park Service.

Chicago Style (17th ed.) Citation

Harriet Tubman Underground Railroad National Monument, Maryland. [Washington, DC]: National Park Service, 2015.

MLA (9th ed.) Citation

Harriet Tubman Underground Railroad National Monument, Maryland. National Park Service, 2015.

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