The Institute of Petroleum Code of practice for petroleum pipelines :
being Part VI of the Institute of Petroleum Model code of safe practice in the petroleum industry.

APA Citation

Institute of Petroleum (Great Britain)., Institute of Petroleum (Great Britain). (1962). The Institute of Petroleum Code of practice for petroleum pipelines: being Part VI of the Institute of Petroleum Model code of safe practice in the petroleum industry. London: Institute of Petroleum.

MLA Citation

Institute of Petroleum (Great Britain), and Institute of Petroleum (Great Britain). The Institute of Petroleum Code of Practice for Petroleum Pipelines: Being Part VI of the Institute of Petroleum Model Code of Safe Practice In the Petroleum Industry. London: Institute of Petroleum, 1962.

Warning: These citations may not always be complete (especially for serials).