Cita APA (7a ed.)
Ritchey, J. D., & Rumbaugh, J. O. (1996). Subsurface fluid flow (ground-water and vadose zone) modeling. ASTM.
Cita Chicago Style (17a ed.)
Ritchey, Joseph D., y James O. Rumbaugh. Subsurface Fluid Flow (ground-water and Vadose Zone) Modeling. West Conshohocken, Pa.: ASTM, 1996.
Cita MLA (9a ed.)
Ritchey, Joseph D., y James O. Rumbaugh. Subsurface Fluid Flow (ground-water and Vadose Zone) Modeling. ASTM, 1996.
Precaución: Estas citas no son 100% exactas.