Cite

Pitter and Slipper, lacemen and embroiderers [art original] : No. 39 Strand, London : an elegant assortment of foiles, foil, shapes, &c.

MLA

Pitter and Slipper, Lacemen and Embroiderers [Art Original] : No. 39 Strand, London : an Elegant Assortment of Foiles, Foil, Shapes, &c. 0AD. https://collections.library.yale.edu/catalog/16034912.

APA, 6th edition

Pitter and Slipper, lacemen and embroiderers [art original] : No. 39 Strand, London : an elegant assortment of foiles, foil, shapes, &c. (0 C.E.). [Advertising cards, Drawings, Advertisements, Trade cards England London]. https://collections.library.yale.edu/catalog/16034912.