APA (7th ed.) Citation

Barker, J. L. (1978). Bacteriological water quality of Tulpehocken Creek basin, Berks and Lebanon Counties, Pennsylvania. Dept. of the Interior, Geological Survey, Water Resources Division.

Chicago Style (17th ed.) Citation

Barker, James L. Bacteriological Water Quality of Tulpehocken Creek Basin, Berks and Lebanon Counties, Pennsylvania. Harrisburg, Pa.: Dept. of the Interior, Geological Survey, Water Resources Division, 1978.

MLA (9th ed.) Citation

Barker, James L. Bacteriological Water Quality of Tulpehocken Creek Basin, Berks and Lebanon Counties, Pennsylvania. Dept. of the Interior, Geological Survey, Water Resources Division, 1978.