APA citiranje

Maps.com (Firm) & ebrary, Inc. (1999). U.S. participation on the Western Front, 1918. Maps.com.

Chicago Style (17th ed.) Citation

Maps.com (Firm) and Inc ebrary. U.S. Participation on the Western Front, 1918. [S.l.]: Maps.com, 1999.

MLA citiranje

Maps.com (Firm) and Inc ebrary. U.S. Participation on the Western Front, 1918. Maps.com, 1999.