In the Chinese labyrinth
MLA
J. Ottman Lithographic Company, Keppler & Schwarzmann, Keppler, Udo J., 1872-1956. In the Chinese labyrinth. 1901 February 6. https://collections.library.yale.edu/catalog/2066795.
APA, 6th edition
J. Ottman Lithographic Company, & Keppler & Schwarzmann, & Keppler, Udo J., 1872-1956. (1901 February 6)[In the Chinese labyrinth]. https://collections.library.yale.edu/catalog/2066795.