Underground railroad /
produced by the Division of Publications, National Park Service.

APA Citation

United States. National Park Service. Division of Publications. (1998). Underground railroad. Washington, D.C.: Dept. of the Interior.

MLA Citation

United States. National Park Service. Division of Publications. Underground Railroad. Washington, D.C.: Dept. of the Interior, 1998.

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