API bulletin on the rheology of oil-well drilling fluids /
American Petroleum Institute.

APA Citation

American Petroleum Institute. Production Dept. (1985). API bulletin on the rheology of oil-well drilling fluids. 2nd ed. Washington, D.C.: American Petroleum Institute.

MLA Citation

American Petroleum Institute. Production Dept. API Bulletin On the Rheology of Oil-well Drilling Fluids. 2nd ed. Washington, D.C.: American Petroleum Institute, 1985.

Warning: These citations may not always be complete (especially for serials).