Fay, R. O. (1983). Copper deposits in sheep pen sandstone (Triassic) in Cimarron County, Oklahoma, and adjacent parts of Colorado and New Mexico. Univ. of Oklahoma.
Chicago Style (17th ed.) CitationFay, Robert O. Copper Deposits in Sheep Pen Sandstone (Triassic) in Cimarron County, Oklahoma, and Adjacent Parts of Colorado and New Mexico. Norman: Univ. of Oklahoma, 1983.
MLA (9th ed.) CitationFay, Robert O. Copper Deposits in Sheep Pen Sandstone (Triassic) in Cimarron County, Oklahoma, and Adjacent Parts of Colorado and New Mexico. Univ. of Oklahoma, 1983.
Warning: These citations may not always be 100% accurate.