APA (7th ed.) Citation

Maps.com (Firm) & ebrary, Inc. (2002). Oregon. Maps.com.

Chicago Style (17th ed.) Citation

Maps.com (Firm) and Inc ebrary. Oregon. [S.l.]: Maps.com, 2002.

MLA (9th ed.) Citation

Maps.com (Firm) and Inc ebrary. Oregon. Maps.com, 2002.

Warning: These citations may not always be 100% accurate.