Cite

J.G. McDonald Chocolate Co. mfrs. chocolates & cocoa

MLA

J.G. McDonald Chocolate Co. Mfrs. Chocolates & Cocoa. J.G. McDonald Chocolate Co., 0AD. https://collections.library.yale.edu/catalog/31922501.

APA, 6th edition

J.G. McDonald Chocolate Co. mfrs. chocolates & cocoa. (0 C.E.). [Pictorial works]. J.G. McDonald Chocolate Co. https://collections.library.yale.edu/catalog/31922501.