MLA

The Basic Seven [Graphic]. Prepared by the Sealtest Laboratory Kitchen, 230 Park Avenue, New York City, 0AD. https://collections.library.yale.edu/catalog/16048916.

APA, 6th edition

The basic seven [graphic]. (0 C.E.). [Offset lithographs, Posters]. Prepared by the Sealtest Laboratory Kitchen, 230 Park Avenue, New York City. https://collections.library.yale.edu/catalog/16048916.