APA Style
Ellis, Frank, United States. Environmental Protection Agency, Washington, DC.. ().
Engineering Trade-Offs Program.[computer file]. .
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Chicago Style
Ellis, Frank, United States. Environmental Protection Agency, Washington, DC..
Engineering Trade-Offs Program.[computer file]..
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MLA Style
Ellis, Frank, United States. Environmental Protection Agency, Washington, DC..
Engineering Trade-Offs Program.[computer file]..
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Turabian Style
Ellis, Frank, United States. Environmental Protection Agency, Washington, DC..
Engineering Trade-Offs Program.[computer file]..
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.