APA (7th ed.) Citation

Rybach, L., & Muffler, L. J. P. (1981). Geothermal systems: Principles and case histories. Wiley.

Chicago Style (17th ed.) Citation

Rybach, L., and L. J. Patrick Muffler. Geothermal Systems: Principles and Case Histories. Chichester [Eng.] New York: Wiley, 1981.

MLA (9th ed.) Citation

Rybach, L., and L. J. Patrick Muffler. Geothermal Systems: Principles and Case Histories. Wiley, 1981.