A snapshot evaluation of stream environmental quality in the Little Conestoga Creek basin, Lancaster County, Pennsylvania
MLA
Loper, Connie A., and Ryan C Davis. A Snapshot Evaluation of Stream Environmental Quality In the Little Conestoga Creek Basin, Lancaster County, Pennsylvania. Water-resources Investigations Report. [Lemoyne, Pa.]: U.S. Deptartment of the Interior, U.S. Geological Survey, 1998
APA, 7th edition
Loper, C. A., & Davis, R. C. (1998). A snapshot evaluation of stream environmental quality in the Little Conestoga Creek basin, Lancaster County, Pennsylvania. Water-resources investigations report. [Lemoyne, Pa.]: U.S. Deptartment of the Interior, U.S. Geological Survey
Chicago, 17th edition
Loper, Connie A., and Ryan C. Davis. A snapshot evaluation of stream environmental quality in the Little Conestoga Creek basin, Lancaster County, Pennsylvania. Water-resources investigations report. [Lemoyne, Pa.]: U.S. Deptartment of the Interior, U.S. Geological Survey, 1998