Cita APA (7a ed.)
Schnapf, L. P. (2003). States Beginning to Tighten Rules for Septic Tanks. Environmental Law Institute.
Cita Chicago Style (17a ed.)
Schnapf, Lawrence P. States Beginning to Tighten Rules for Septic Tanks. Washington, D.C.: Environmental Law Institute, 2003.
Cita MLA (9a ed.)
Schnapf, Lawrence P. States Beginning to Tighten Rules for Septic Tanks. Environmental Law Institute, 2003.
Precaución: Estas citas no son 100% exactas.