APA
American Petroleum Institute A., . (1989). Rapid bioassay procedures for drilling fluids. Washington: American Petroleum Institute, API.
Chicago
American Petroleum Institute API, . 1989. Rapid bioassay procedures for drilling fluids. Washington: American Petroleum Institute, API.
Harvard
American Petroleum Institute A., . (1989). Rapid bioassay procedures for drilling fluids. Washington: American Petroleum Institute, API.
MLA
American Petroleum Institute API, . Rapid bioassay procedures for drilling fluids. Washington: American Petroleum Institute, API. 1989.