APA (7th ed.) Citation

Duwelius, R. F., & Watson, L. R. (1992). Ground-water levels and directions of flow in the vicinity of a well field, Elkhart, Indiana, December 1989. U.S. Department of the Interior, U.S. Geological Survey ; Books and Open-File Reports [distributor].

Chicago Style (17th ed.) Citation

Duwelius, Richard F., and Lee R. Watson. Ground-water Levels and Directions of Flow in the Vicinity of a Well Field, Elkhart, Indiana, December 1989. Indianapolis, Ind. : Denver, Colo.: U.S. Department of the Interior, U.S. Geological Survey ; Books and Open-File Reports [distributor], 1992.

MLA (9th ed.) Citation

Duwelius, Richard F., and Lee R. Watson. Ground-water Levels and Directions of Flow in the Vicinity of a Well Field, Elkhart, Indiana, December 1989. U.S. Department of the Interior, U.S. Geological Survey ; Books and Open-File Reports [distributor], 1992.