MLA

Down, Randy D., and Jay H Lehr. Environmental Instrumentation and Analysis Handbook. Hoboken: Wiley, 2005.

APA

Down, R. D., & Lehr, J. H. (2005). Environmental instrumentation and analysis handbook. Hoboken: Wiley.

Chicago

Down, Randy D., and Jay H. Lehr. Environmental Instrumentation and Analysis Handbook. Hoboken: Wiley, 2005.