APA (7th ed.) Citation

Janssen, G., & Sklar, M. (1998). Geographic allocation of state level nonroad engine population data to the county level: Report no. NR-014. Nonroad Engine Emission Modeling Team, Assessment and Modeling Division, EPA, Office of Mobile Sources.

Chicago Style (17th ed.) Citation

Janssen, Greg, and Mike Sklar. Geographic Allocation of State Level Nonroad Engine Population Data to the County Level: Report No. NR-014. [Washington, D.C.]: Nonroad Engine Emission Modeling Team, Assessment and Modeling Division, EPA, Office of Mobile Sources, 1998.

MLA (9th ed.) Citation

Janssen, Greg, and Mike Sklar. Geographic Allocation of State Level Nonroad Engine Population Data to the County Level: Report No. NR-014. Nonroad Engine Emission Modeling Team, Assessment and Modeling Division, EPA, Office of Mobile Sources, 1998.