Cite

Pedestrian hobbyhorse Mr. Johnson Patentee, 75 Long Acre, now exhibiting at 377 Strand. [graphic]

MLA

Pedestrian Hobbyhorse Mr. Johnson Patentee, 75 Long Acre, Now Exhibiting at 377 Strand. [Graphic]. Published at R. Ackermann's, No. 101 Strand, 0AD. https://collections.library.yale.edu/catalog/10968876.

APA, 6th edition

Pedestrian hobbyhorse Mr. Johnson Patentee, 75 Long Acre, now exhibiting at 377 Strand. [graphic]. (0 C.E.). [Aquatints England London 1819, Etchings England London 1819, Watermarks (Paper) Turkey Mills J Whatman]. Published at R. Ackermann's, No. 101 Strand. https://collections.library.yale.edu/catalog/10968876.