(1899). Vol. 23, № 1-6; American Geologist. 1899.
Chicago Style (17th ed.) CitationVol. 23, № 1-6; American Geologist. 1899, 1899.
MLA (9th ed.) CitationVol. 23, № 1-6; American Geologist. 1899, 1899.
Warning: These citations may not always be 100% accurate.