APA Citation

Milton, C., & Milton, C. Las pizarras petrolíferas de Green River de Colorado, Utah y Wyoming.

Chicago Style Citation

Milton, Charles, and Charles Milton. Las Pizarras Petrolíferas De Green River De Colorado, Utah Y Wyoming.

MLA Citation

Milton, Charles, and Charles Milton. Las Pizarras Petrolíferas De Green River De Colorado, Utah Y Wyoming.

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