MLA

Company, Carpenter Electric Heating Manufacturing. [Catalogue]. 1891. https://collections.library.yale.edu/catalog/10693201.

APA, 6th edition

Company, C. E. H. M. (1891). [Catalogue] [Catalogs: sales catalogs (AAT), Halftones, illustrations (AAT), Photolithography, Photomechanical prints]. https://collections.library.yale.edu/catalog/10693201.