Perkins, R. J. (1990). Onsite wastewater disposal (1st ed. 2nd printing.). Lewis Publishing.
Chicago Style (17th ed.) CitationPerkins, Richard J. Onsite Wastewater Disposal. 1st ed. 2nd printing. Chelsea: Lewis Publishing, 1990.
MLA (9th ed.) CitationPerkins, Richard J. Onsite Wastewater Disposal. 1st ed. 2nd printing. Lewis Publishing, 1990.
Warning: These citations may not always be 100% accurate.