Cita APA (7a ed.)
Maps.com (Firm) & ebrary, Inc. (1997). Secession of Southern States. Magellan Geographix.
Cita Chicago Style (17a ed.)
Maps.com (Firm) y Inc ebrary. Secession of Southern States. [S.l.]: Magellan Geographix, 1997.
Cita MLA (9a ed.)
Maps.com (Firm) y Inc ebrary. Secession of Southern States. Magellan Geographix, 1997.
Precaución: Estas citas no son 100% exactas.