Postage stamp from Monaco commemorating Pierre and Marie Curie

Chicago citation style
Degorce, Georges-Léo. Postage stamp from Monaco commemorating Pierre and Marie Curie. 1938. Retrieved from the Digital Public Library of America, https://digital.sciencehistory.org/works/v979v313f. (Accessed September 17, 2021.)
APA citation style
Degorce, Georges-Léo, (1938) Postage stamp from Monaco commemorating Pierre and Marie Curie. Retrieved from the Digital Public Library of America, https://digital.sciencehistory.org/works/v979v313f
MLA citation style
Degorce, Georges-Léo. Retrieved from the Digital Public Library of America <https://digital.sciencehistory.org/works/v979v313f>.
Note: These citations are programmatically generated and may be incomplete.