Cita APA (7a ed.)

Maps.com (Firm) & ebrary, Inc. (1999). The balance of power after World War II. Maps.com.

Cita Chicago Style (17a ed.)

Maps.com (Firm) y Inc ebrary. The Balance of Power After World War II. [S.l.]: Maps.com, 1999.

Cita MLA (9a ed.)

Maps.com (Firm) y Inc ebrary. The Balance of Power After World War II. Maps.com, 1999.