APA

University of Texas, American Petroleum Institute A. & American Petroleum Institute A. (1968). Crude oil tanks. Washington: American Petroleum Institute, API.

Chicago

University of Texas, American Petroleum Institute API and American Petroleum Institute API. 1968. Crude oil tanks. Washington: American Petroleum Institute, API.

Harvard

University of Texas, American Petroleum Institute A. and American Petroleum Institute A. (1968). Crude oil tanks. Washington: American Petroleum Institute, API.

MLA

University of Texas, American Petroleum Institute API and American Petroleum Institute API. Crude oil tanks. Washington: American Petroleum Institute, API. 1968.