APA

Society of Petroleum Engineers S., . (1970). Oil and gas property evaluation and reserve estimates. Oklahoma: Society of Petroleum Engineers of AIME.

Chicago

Society of Petroleum Engineers SPE, . 1970. Oil and gas property evaluation and reserve estimates. Oklahoma: Society of Petroleum Engineers of AIME.

Harvard

Society of Petroleum Engineers S., . (1970). Oil and gas property evaluation and reserve estimates. Oklahoma: Society of Petroleum Engineers of AIME.

MLA

Society of Petroleum Engineers SPE, . Oil and gas property evaluation and reserve estimates. Oklahoma: Society of Petroleum Engineers of AIME. 1970.