APA

Dirksen H. A., Pierson C. E., . (1953). Production of natural gas substitutes by catalytic autohydrogenation of high-Btu oil gases. New York: American Gas Ass.

Chicago

Dirksen Henry Aloysius, Pierson C E, . 1953. Production of natural gas substitutes by catalytic autohydrogenation of high-Btu oil gases. New York: American Gas Ass.

Harvard

Dirksen H. A., Pierson C. E., . (1953). Production of natural gas substitutes by catalytic autohydrogenation of high-Btu oil gases. New York: American Gas Ass.

MLA

Dirksen Henry Aloysius, Pierson C E, . Production of natural gas substitutes by catalytic autohydrogenation of high-Btu oil gases. New York: American Gas Ass. 1953.