APA

American Petroleum Institute A., . (1965). Standard method of gaging petroleum and petroleum products. Washington: American Petroleum Institute, API.

Chicago

American Petroleum Institute API, . 1965. Standard method of gaging petroleum and petroleum products. Washington: American Petroleum Institute, API.

Harvard

American Petroleum Institute A., . (1965). Standard method of gaging petroleum and petroleum products. Washington: American Petroleum Institute, API.

MLA

American Petroleum Institute API, . Standard method of gaging petroleum and petroleum products. Washington: American Petroleum Institute, API. 1965.