Flores, R. M. (1989). Tertiary and cretaceous coals in the Rocky Mountains Region: Casper, Wyoming to Salt Lake City, Utah, June 29-July 8, 1989. American Geophysical Union.
Chicago-Zitierstil (17. Ausg.)Flores, Romeo M. Tertiary and Cretaceous Coals in the Rocky Mountains Region: Casper, Wyoming to Salt Lake City, Utah, June 29-July 8, 1989. Washington, D.C: American Geophysical Union, 1989.
MLA-Zitierstil (9. Ausg.)Flores, Romeo M. Tertiary and Cretaceous Coals in the Rocky Mountains Region: Casper, Wyoming to Salt Lake City, Utah, June 29-July 8, 1989. American Geophysical Union, 1989.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.