Cite

[Seal spearheads.] Pencil drawing with wash, 20 x 26.2 cm.

MLA

Stenzel, Franz (1906-1998). [Seal spearheads.] Pencil drawing with wash, 20 x 26.2 cm.. Box 6, folder 100. [1881]. https://collections.library.yale.edu/catalog/2003168.

APA, 6th edition

Stenzel, Franz (1906-1998). (["Box 6, folder 100"])([1881])[[Seal spearheads.] Pencil drawing with wash, 20 x 26.2 cm.]. https://collections.library.yale.edu/catalog/2003168.