United States. Bureau of the Census & Jones, J. H. (1891). Mines and mining: Bituminous coal in Pennsylvania. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Bureau of the Census and John H. Jones. Mines and Mining: Bituminous Coal in Pennsylvania. Washington, D.C.: [publisher not identified], 1891.
MLA (9th ed.) CitationUnited States. Bureau of the Census and John H. Jones. Mines and Mining: Bituminous Coal in Pennsylvania. [publisher not identified], 1891.
Warning: These citations may not always be 100% accurate.