Long, W. H., & Posatko, R. C. (1967). An annotated bibliography of county economic information for Pennsylvania. Institute for Research on Land and Water Resources, The Pennsylvania State University.
Chicago Style (17th ed.) CitationLong, Wesley H., and Robert C. Posatko. An Annotated Bibliography of County Economic Information for Pennsylvania. University Park, Pa.: Institute for Research on Land and Water Resources, The Pennsylvania State University, 1967.
MLA (9th ed.) CitationLong, Wesley H., and Robert C. Posatko. An Annotated Bibliography of County Economic Information for Pennsylvania. Institute for Research on Land and Water Resources, The Pennsylvania State University, 1967.
Warning: These citations may not always be 100% accurate.