APA
American Petroleum Institute A., . (1977). Api recommended practices for laboratory testing of surface active agents for well stimulation. Washington: American Petroleum Institute, API.
Chicago
American Petroleum Institute API, . 1977. Api recommended practices for laboratory testing of surface active agents for well stimulation. Washington: American Petroleum Institute, API.
Harvard
American Petroleum Institute A., . (1977). Api recommended practices for laboratory testing of surface active agents for well stimulation. Washington: American Petroleum Institute, API.
MLA
American Petroleum Institute API, . Api recommended practices for laboratory testing of surface active agents for well stimulation. Washington: American Petroleum Institute, API. 1977.