APA

American Petroleum Institute A., . (2017). Specification for threading, gauging, and thread inspection of casing, tubing, and line pipe threads. Washington: American Petroleum Institute, API.

Chicago

American Petroleum Institute API, . 2017. Specification for threading, gauging, and thread inspection of casing, tubing, and line pipe threads. Washington: American Petroleum Institute, API.

Harvard

American Petroleum Institute A., . (2017). Specification for threading, gauging, and thread inspection of casing, tubing, and line pipe threads. Washington: American Petroleum Institute, API.

MLA

American Petroleum Institute API, . Specification for threading, gauging, and thread inspection of casing, tubing, and line pipe threads. Washington: American Petroleum Institute, API. 2017.