APA

Perkins J., American Petroleum Institute A. & Perkins J. (1993). Costs to the petroleum industry of major new and future federal government environmental requirements. Washington: American Petroleum Institute, API.

Chicago

Perkins Jody, American Petroleum Institute API and Perkins Jody. 1993. Costs to the petroleum industry of major new and future federal government environmental requirements. Washington: American Petroleum Institute, API.

Harvard

Perkins J., American Petroleum Institute A. and Perkins J. (1993). Costs to the petroleum industry of major new and future federal government environmental requirements. Washington: American Petroleum Institute, API.

MLA

Perkins Jody, American Petroleum Institute API and Perkins Jody. Costs to the petroleum industry of major new and future federal government environmental requirements. Washington: American Petroleum Institute, API. 1993.