APA
American Petroleum Institute A., . (1995). Natural gas processing plant practices for protection of the environment. Washington: American Petroleum Institute, API.
Chicago
American Petroleum Institute API, . 1995. Natural gas processing plant practices for protection of the environment. Washington: American Petroleum Institute, API.
Harvard
American Petroleum Institute A., . (1995). Natural gas processing plant practices for protection of the environment. Washington: American Petroleum Institute, API.
MLA
American Petroleum Institute API, . Natural gas processing plant practices for protection of the environment. Washington: American Petroleum Institute, API. 1995.