APA

Sour Gas and Crude Symposium (1977 nov. 14-15 : Tyler T., . (1977). Sour gas and crude symposium proceedings. Texas: Society of Petroleum Engineers, SPE.

Chicago

Sour Gas and Crude Symposium (1977 nov. 14-15 : Tyler Texas), . 1977. Sour gas and crude symposium proceedings. Texas: Society of Petroleum Engineers, SPE.

Harvard

Sour Gas and Crude Symposium (1977 nov. 14-15 : Tyler T., . (1977). Sour gas and crude symposium proceedings. Texas: Society of Petroleum Engineers, SPE.

MLA

Sour Gas and Crude Symposium (1977 nov. 14-15 : Tyler Texas), . Sour gas and crude symposium proceedings. Texas: Society of Petroleum Engineers, SPE. 1977.