Cite

Spaeth, Sigrid

MLA

Steinberg, Saul, 1914-1999. Spaeth, Sigrid. Box 45, folder 806-812. 1960-1996, undated. https://collections.library.yale.edu/catalog/10034251.

APA, 6th edition

Steinberg, Saul, 1914-1999. (["Box 45, folder 806-812"])(1960-1996, undated)[Spaeth, Sigrid]. https://collections.library.yale.edu/catalog/10034251.