APA

American Petroleum Institute A., . (1996). Achieving common sense environmental regulation. Washington: American Petroleum Institute, API.

Chicago

American Petroleum Institute API, . 1996. Achieving common sense environmental regulation. Washington: American Petroleum Institute, API.

Harvard

American Petroleum Institute A., . (1996). Achieving common sense environmental regulation. Washington: American Petroleum Institute, API.

MLA

American Petroleum Institute API, . Achieving common sense environmental regulation. Washington: American Petroleum Institute, API. 1996.