APA (7th ed.) Citation

Einfeld, W. (1998). Field-portable gas chromatograph: Electronic Sensor Technology model 4100. National Exposure Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency.

Chicago Style (17th ed.) Citation

Einfeld, Wayne. Field-portable Gas Chromatograph: Electronic Sensor Technology Model 4100. Las Vegas, Nev.: National Exposure Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, 1998.

MLA (9th ed.) Citation

Einfeld, Wayne. Field-portable Gas Chromatograph: Electronic Sensor Technology Model 4100. National Exposure Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, 1998.