MLA

Stenzel, Franz (1906-1998). "Chimaera Colleii, Puget Sound." Sketch of a fish. Pencil drawing, 19.5 x 31.8 cm.. Box 6a, folder 115. n.d.. https://collections.library.yale.edu/catalog/2003184.

APA, 6th edition

Stenzel, Franz (1906-1998). (["Box 6a, folder 115"])(n.d.)["Chimaera Colleii, Puget Sound." Sketch of a fish. Pencil drawing, 19.5 x 31.8 cm.]. https://collections.library.yale.edu/catalog/2003184.