, W. E. e. a. PROCESS DESIGN PART I: BIOLOGICAL TREATMENT. [s.n].
Chicago Style (17th ed.) Citation, Wesley Eckenfelder et al. PROCESS DESIGN PART I: BIOLOGICAL TREATMENT. [s.n].
MLA (8th ed.) Citation, Wesley Eckenfelder et al. PROCESS DESIGN PART I: BIOLOGICAL TREATMENT. [s.n].
Warning: These citations may not always be 100% accurate.