Smithsonian Institution. (1923). Cambrian geology and paleontology, IV: No. 8, Nomenclature of some post Cambrian and Cambrian Cordilleran formations (2). [publisher not identified].
Chicago Style (17th ed.) CitationSmithsonian Institution. Cambrian Geology and Paleontology, IV: No. 8, Nomenclature of Some Post Cambrian and Cambrian Cordilleran Formations (2). [Washington]: [publisher not identified], 1923.
MLA (9th ed.) CitationSmithsonian Institution. Cambrian Geology and Paleontology, IV: No. 8, Nomenclature of Some Post Cambrian and Cambrian Cordilleran Formations (2). [publisher not identified], 1923.
Warning: These citations may not always be 100% accurate.