Cite

[Professor Ehrlich] [graphic]. and Проф. Эрлих

MLA

[Professor Ehrlich] [Graphic]., Проф. Эрлих. Narkomzdrav, RSFSR, 0AD. https://collections.library.yale.edu/catalog/16047256.

APA, 6th edition

[Professor Ehrlich] [graphic]., Проф. Эрлих. (0 C.E.). [Portraits, Posters, Lithographs]. Narkomzdrav, RSFSR. https://collections.library.yale.edu/catalog/16047256.