APA (7th ed.) Citation

Alth, M., Alth, C., & Duncan, S. B. (1991). Wells and septic systems / by Max and Charlotte Alth (2nd ed.). Tab Books.

Chicago Style (17th ed.) Citation

Alth, Max, Charlotte Alth, and S. Blackwell Duncan. Wells and Septic Systems / by Max and Charlotte Alth. 2nd ed. Blue Ridge Summit, PA: Tab Books, 1991.

MLA (9th ed.) Citation

Alth, Max, et al. Wells and Septic Systems / by Max and Charlotte Alth. 2nd ed. Tab Books, 1991.

Warning: These citations may not always be 100% accurate.