Cita APA (7a ed.)

Society of Petroleum Engineers. (1990). Hydraulic fracturing - II. Society of Petroleum Engineers.

Cita Chicago Style (17a ed.)

Society of Petroleum Engineers. Hydraulic Fracturing - II. Texas: Society of Petroleum Engineers, 1990.

Cita MLA (8a ed.)

Society of Petroleum Engineers. Hydraulic Fracturing - II. Society of Petroleum Engineers, 1990.