APA

American Petroleum Institute A., . (1985). The characterization of ozone and sulfur dioxide exposures near some united states national forests. Washington: American Petroleum Institute, API.

Chicago

American Petroleum Institute API, . 1985. The characterization of ozone and sulfur dioxide exposures near some united states national forests. Washington: American Petroleum Institute, API.

Harvard

American Petroleum Institute A., . (1985). The characterization of ozone and sulfur dioxide exposures near some united states national forests. Washington: American Petroleum Institute, API.

MLA

American Petroleum Institute API, . The characterization of ozone and sulfur dioxide exposures near some united states national forests. Washington: American Petroleum Institute, API. 1985.