AIChE equipment testing procedure :
[for] rotary positive displacement pumps (Newtonian liquids).

APA Citation

American Institute of Chemical Engineers. (1968). AIChE equipment testing procedure: [for] rotary positive displacement pumps (Newtonian liquids). New York: [s.n.].

MLA Citation

American Institute of Chemical Engineers. AIChE Equipment Testing Procedure: [for] Rotary Positive Displacement Pumps (Newtonian Liquids). New York: [s.n.], 1968.

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