Cita APA (7th ed.)
Ritchey,Joseph D, & Rumbaugh,James O. (1996). subsurface fluid- flow modeling: Ground-water and vadose zone. West conshohocken.
Cita Chicago (17th ed.)
Ritchey,Joseph D, i Rumbaugh,James O. Subsurface Fluid- Flow Modeling: Ground-water and Vadose Zone. ASTM special technical publication: West conshohocken, 1996.
Cita MLA (9th ed.)
Ritchey,Joseph D, i Rumbaugh,James O. Subsurface Fluid- Flow Modeling: Ground-water and Vadose Zone. West conshohocken, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.