APA

Institute of Petroleum I., . (1965). Electrical safety code. London: Institute of Petroleum, IP ; Elsevier Publishing Company.

Chicago

Institute of Petroleum IP, . 1965. Electrical safety code. London: Institute of Petroleum, IP ; Elsevier Publishing Company.

Harvard

Institute of Petroleum I., . (1965). Electrical safety code. London: Institute of Petroleum, IP ; Elsevier Publishing Company.

MLA

Institute of Petroleum IP, . Electrical safety code. London: Institute of Petroleum, IP ; Elsevier Publishing Company. 1965.