APA (7th ed.) Citation

Schenck, G. H. K., & Schanz, J. J. (1967). The economic importance of the coal industry to Pennsylvania. Pennsylvania State Univ.

Chicago Style (17th ed.) Citation

Schenck, George H. K., and John J. Schanz. The Economic Importance of the Coal Industry to Pennsylvania. [Philadelphia]: Pennsylvania State Univ, 1967.

MLA (9th ed.) Citation

Schenck, George H. K., and John J. Schanz. The Economic Importance of the Coal Industry to Pennsylvania. Pennsylvania State Univ, 1967.

Warning: These citations may not always be 100% accurate.