Cornelius Lanczos, mathematician and physicist, Seattle, ca. 1946

Chicago citation style
Kassowitz, Ernst, Unidentified. Cornelius Lanczos, mathematician and physicist, Seattle, ca. 1946. ca. 1946. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/hupy/id/489. (Accessed June 20, 2018.)
APA citation style
Kassowitz, Ernst, Unidentified, (ca. 1946) Cornelius Lanczos, mathematician and physicist, Seattle, ca. 1946. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/hupy/id/489
MLA citation style
Kassowitz, Ernst, Unidentified. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/hupy/id/489>.
Note: These citations are programmatically generated and may be incomplete.