APA (7th ed.) Citation

Hoffman, A. J. (1970). Merrimack Valley air pollutant emission inventory (Reprod.). US Dept. of Health, Education and Welfare.

Chicago Style (17th ed.) Citation

Hoffman, Alan J. Merrimack Valley Air Pollutant Emission Inventory. Reprod. Durham, NC: US Dept. of Health, Education and Welfare, 1970.

MLA (9th ed.) Citation

Hoffman, Alan J. Merrimack Valley Air Pollutant Emission Inventory. Reprod. US Dept. of Health, Education and Welfare, 1970.