Cita APA (7th ed.)
Lauer, B., Barsotti, M. G., & Hardy, D. K. (2009). Chemical feed field guide for treatment plant operators: Calculations and systems. American Water Works Association.
Cita Chicago (17th ed.)
Lauer, Bill, Michael G. Barsotti, i David K. Hardy. Chemical Feed Field Guide for Treatment Plant Operators: Calculations and Systems. Denver, Colo.: American Water Works Association, 2009.
Cita MLA (9th ed.)
Lauer, Bill, et al. Chemical Feed Field Guide for Treatment Plant Operators: Calculations and Systems. American Water Works Association, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.