APA

Society of Petroleum Engineers S., World Petroleum Congress W., American Association of Petroleum Geologists A., World Petroleum Congress W. & American Association of Petroleum Geologists A. (2001). Guidelines for the evaluation of petroleum reserves and resources. [Texas]: Society of Petroleum Engineers, SPE.

Chicago

Society of Petroleum Engineers SPE, World Petroleum Congress WPC, American Association of Petroleum Geologists AAPG, World Petroleum Congress WPC and American Association of Petroleum Geologists AAPG. 2001. Guidelines for the evaluation of petroleum reserves and resources. [Texas]: Society of Petroleum Engineers, SPE.

Harvard

Society of Petroleum Engineers S., World Petroleum Congress W., American Association of Petroleum Geologists A., World Petroleum Congress W. and American Association of Petroleum Geologists A. (2001). Guidelines for the evaluation of petroleum reserves and resources. [Texas]: Society of Petroleum Engineers, SPE.

MLA

Society of Petroleum Engineers SPE, World Petroleum Congress WPC, American Association of Petroleum Geologists AAPG, World Petroleum Congress WPC and American Association of Petroleum Geologists AAPG. Guidelines for the evaluation of petroleum reserves and resources. [Texas]: Society of Petroleum Engineers, SPE. 2001.