Cite

Sigrid Spaeth's tombstone

MLA

Steinberg, Saul, 1914-1999. Sigrid Spaeth's tombstone. Box 298, folder 4443. circa 1996-1999. https://collections.library.yale.edu/catalog/2017601.

APA, 6th edition

Steinberg, Saul, 1914-1999. (["Box 298, folder 4443"])(circa 1996-1999)[Sigrid Spaeth's tombstone]. https://collections.library.yale.edu/catalog/2017601.