APA ציטוט
Maps.com (Firm) & ebrary, Inc. (2000). Expansion of railroads to 1860. Maps.com.
Chicago Style (17th ed.) Citation
Maps.com (Firm) and Inc ebrary. Expansion of Railroads to 1860. [S.l.]: Maps.com, 2000.
ציטוט MLA
Maps.com (Firm) and Inc ebrary. Expansion of Railroads to 1860. Maps.com, 2000.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.