APA

American Petroleum Institute A., . (2008). Design calculations for sucker rod pumping systems (conventional units). Washington: American Petroleum Institute, API.

Chicago

American Petroleum Institute API, . 2008. Design calculations for sucker rod pumping systems (conventional units). Washington: American Petroleum Institute, API.

Harvard

American Petroleum Institute A., . (2008). Design calculations for sucker rod pumping systems (conventional units). Washington: American Petroleum Institute, API.

MLA

American Petroleum Institute API, . Design calculations for sucker rod pumping systems (conventional units). Washington: American Petroleum Institute, API. 2008.