APA ציטוט

Maps.com (Firm) & ebrary, Inc. (2000). Underground Railroad, 1860. Maps.com.

Chicago Style (17th ed.) Citation

Maps.com (Firm) and Inc ebrary. Underground Railroad, 1860. [S.l.]: Maps.com, 2000.

ציטוט MLA

Maps.com (Firm) and Inc ebrary. Underground Railroad, 1860. Maps.com, 2000.