APA (7th ed.) Citation

Einfeld, W. (1998). Field-portable gas chromatograph: Sentex Systems, Inc. Scentograph Plus II. 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: Sentex Systems, Inc. Scentograph Plus II. 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: Sentex Systems, Inc. Scentograph Plus II. National Exposure Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, 1998.