MLA

Jangfeldt, Bengt, 1948-. Lili Marleen, [by Hans Leip?], Russian translation by Brodsky, drafts. Box 60 | 1267-1268. 1996, undated. https://collections.library.yale.edu/catalog/17306063.

APA, 6th edition

Jangfeldt, Bengt, 1948-. (["Box 60 | 1267-1268"])(1996, undated)[Lili Marleen, [by Hans Leip?], Russian translation by Brodsky, drafts]. https://collections.library.yale.edu/catalog/17306063.