Cite

Artist's dummy for The Castle Number Nine, with four extra pages of text

MLA

Shirley, Betsy Beinecke. Artist's Dummy for The Castle Number Nine, with Four Extra Pages of Text. 0AD. https://collections.library.yale.edu/catalog/15510533.

APA, 6th edition

Shirley, B. B. (0 C.E.). Artist's dummy for The Castle Number Nine, with four extra pages of text. https://collections.library.yale.edu/catalog/15510533.