APA-Zitierstil (7. Ausg.)

(1978). Union list of geologic field trip guidebooks of North America (3.ed.). American Geological Inst.

Chicago-Zitierstil (17. Ausg.)

Union List of Geologic Field Trip Guidebooks of North America. 3.ed. Falls Church, Va: American Geological Inst, 1978.

MLA-Zitierstil (9. Ausg.)

Union List of Geologic Field Trip Guidebooks of North America. 3.ed. American Geological Inst, 1978.