MLA

Liebert, Herman W. (1911-1994). Malos tueri haud tutum, AM. Box 2, folder 76. n.d.. https://collections.library.yale.edu/catalog/16495412.

APA, 6th edition

Liebert, Herman W. (1911-1994). (["Box 2, folder 76"])(n.d.)[Malos tueri haud tutum, AM]. https://collections.library.yale.edu/catalog/16495412.