(1893). Vol. 11, № 1-6; American Geologist. 1893.
Chicago Style (17th ed.) CitationVol. 11, № 1-6; American Geologist. 1893, 1893.
MLA (9th ed.) CitationVol. 11, № 1-6; American Geologist. 1893, 1893.
Warning: These citations may not always be 100% accurate.