Mancl, K., & Sweeten, J. M. (1989). Why do septic systems fail? Texas Agricultural Extension Service.
Chicago Style (17th ed.) CitationMancl, Karen, and John M. Sweeten. Why Do Septic Systems Fail? College Station, Texas: Texas Agricultural Extension Service, 1989.
MLA (9th ed.) CitationMancl, Karen, and John M. Sweeten. Why Do Septic Systems Fail? Texas Agricultural Extension Service, 1989.
Warning: These citations may not always be 100% accurate.