Não informado. (1968). Earth Science Bulletin. Wyoming Geological Association.
Chicago Style (17th ed.) CitationNão informado. Earth Science Bulletin. Casper, Wyo: Wyoming Geological Association, 1968.
MLA (8th ed.) CitationNão informado. Earth Science Bulletin. Wyoming Geological Association, 1968.
Warning: These citations may not always be 100% accurate.