MLA

Dekorativ-Symbolische Zeichnung (Buntstift). 0AD. https://collections.library.yale.edu/catalog/2110231.

APA, 6th edition

Dekorativ-symbolische Zeichnung (Buntstift). (0 C.E.). [Drawings, Illustrations, Prints (Visual works)]. https://collections.library.yale.edu/catalog/2110231.