APA (7th ed.) Citation

Sun, R. J., & Johnston, R. H. (1994). Regional Aquifer-System Analysis Program of the U.S. Geological Survey, 1978-1992. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Sun, Ren Jen, and Richard H. Johnston. Regional Aquifer-System Analysis Program of the U.S. Geological Survey, 1978-1992. Washington: U.S. Government Printing Office, 1994.

MLA (9th ed.) Citation

Sun, Ren Jen, and Richard H. Johnston. Regional Aquifer-System Analysis Program of the U.S. Geological Survey, 1978-1992. U.S. Government Printing Office, 1994.