APA

American Petroleum Institute A., . (1986). Manual of petroleum measurement standards. Chapter 11.2.2. Washington: American Petroleum Institute, API.

Chicago

American Petroleum Institute API, . 1986. Manual of petroleum measurement standards. Chapter 11.2.2. Washington: American Petroleum Institute, API.

Harvard

American Petroleum Institute A., . (1986). Manual of petroleum measurement standards. Chapter 11.2.2. Washington: American Petroleum Institute, API.

MLA

American Petroleum Institute API, . Manual of petroleum measurement standards. Chapter 11.2.2. Washington: American Petroleum Institute, API. 1986.