APA

Society of Petroleum Engineers S., Society of Petroleum Engineers S., . (2001). Estimation and classification of reserves of crude oil, natural gas, and condensate. Houston, Texas: Society of Petroleum Engineers, SPE ; Chapman cronquist oil & gas consultant.

Chicago

Society of Petroleum Engineers SPE, Society of Petroleum Engineers SPE, . 2001. Estimation and classification of reserves of crude oil, natural gas, and condensate. Houston, Texas: Society of Petroleum Engineers, SPE ; Chapman cronquist oil & gas consultant.

Harvard

Society of Petroleum Engineers S., Society of Petroleum Engineers S., . (2001). Estimation and classification of reserves of crude oil, natural gas, and condensate. Houston, Texas: Society of Petroleum Engineers, SPE ; Chapman cronquist oil & gas consultant.

MLA

Society of Petroleum Engineers SPE, Society of Petroleum Engineers SPE, . Estimation and classification of reserves of crude oil, natural gas, and condensate. Houston, Texas: Society of Petroleum Engineers, SPE ; Chapman cronquist oil & gas consultant. 2001.