American Standards Association. Sectional Committee on a Safety Code for Elevators, United States. National Bureau of Standards, American Institute of Architects, & American Society of Mechanical Engineers. (1937). American recommended practice for the inspection of elevators: Inspectors' manual. [publisher not identified].
Chicago Style (17th ed.) CitationAmerican Standards Association. Sectional Committee on a Safety Code for Elevators, United States. National Bureau of Standards, American Institute of Architects, and American Society of Mechanical Engineers. American Recommended Practice for the Inspection of Elevators: Inspectors' Manual. New York, N.Y.: [publisher not identified], 1937.
MLA (9th ed.) CitationAmerican Standards Association. Sectional Committee on a Safety Code for Elevators, et al. American Recommended Practice for the Inspection of Elevators: Inspectors' Manual. [publisher not identified], 1937.