APA (7th ed.) Citation

American Institute of Chemical Engineers. Center for Chemical Process Safety & American Institute of Chemical Engineers. Center for Chemical Process Safety. (1991). 1991 CCPS/AIChE directory of chemical process safety services. N.Y.

Chicago Style (17th ed.) Citation

American Institute of Chemical Engineers. Center for Chemical Process Safety and American Institute of Chemical Engineers. Center for Chemical Process Safety. 1991 CCPS/AIChE Directory of Chemical Process Safety Services. New York: N.Y, 1991.

MLA (9th ed.) Citation

American Institute of Chemical Engineers. Center for Chemical Process Safety and American Institute of Chemical Engineers. Center for Chemical Process Safety. 1991 CCPS/AIChE Directory of Chemical Process Safety Services. N.Y, 1991.