Scharff, R. F. (1892). Perforations in carboniferous limestone.
Chicago Style (17th ed.) CitationScharff, R. F. Perforations in Carboniferous Limestone. 1892.
MLA (9th ed.) CitationScharff, R. F. Perforations in Carboniferous Limestone. 1892.
Warning: These citations may not always be 100% accurate.
