APA

American Petroleum Institute A., . (1964). A tabular method for determining the change of the overall angle and dog-leg severity. Dallas, Texas: American Petroleum Institute, API.

Chicago

American Petroleum Institute API, . 1964. A tabular method for determining the change of the overall angle and dog-leg severity. Dallas, Texas: American Petroleum Institute, API.

Harvard

American Petroleum Institute A., . (1964). A tabular method for determining the change of the overall angle and dog-leg severity. Dallas, Texas: American Petroleum Institute, API.

MLA

American Petroleum Institute API, . A tabular method for determining the change of the overall angle and dog-leg severity. Dallas, Texas: American Petroleum Institute, API. 1964.