Gagarin, Evgenii
MLA
Stepun, Fedor, 1884-1965. Gagarin, Evgenii. Box 12, folder 387. 1944-46, n.d.. https://collections.library.yale.edu/catalog/17335487.
APA, 6th edition
Stepun, Fedor, 1884-1965. (["Box 12, folder 387"])(1944-46, n.d.)[Gagarin, Evgenii]. https://collections.library.yale.edu/catalog/17335487.