APA-Zitierstil (7. Ausg.)

(1992). Big Bend National Park, Texas: Full park map with Chisos Mountains area detail, river, backcountry and visitor info (Rev.). Trails Ill.

Chicago-Zitierstil (17. Ausg.)

Big Bend National Park, Texas: Full Park Map with Chisos Mountains Area Detail, River, Backcountry and Visitor Info. Rev. Evergreen, Colo: Trails Ill, 1992.

MLA-Zitierstil (9. Ausg.)

Big Bend National Park, Texas: Full Park Map with Chisos Mountains Area Detail, River, Backcountry and Visitor Info. Rev. Trails Ill, 1992.