APA

American Petroleum Institute A., . (1985). Ozone and its possible effects on agricultural crops. Washington: American Petroleum Institute, API.

Chicago

American Petroleum Institute API, . 1985. Ozone and its possible effects on agricultural crops. Washington: American Petroleum Institute, API.

Harvard

American Petroleum Institute A., . (1985). Ozone and its possible effects on agricultural crops. Washington: American Petroleum Institute, API.

MLA

American Petroleum Institute API, . Ozone and its possible effects on agricultural crops. Washington: American Petroleum Institute, API. 1985.