Cite

Wallpaper sample of "pigeon" design

MLA

Van Vechten, Carl, 1880-1964. Wallpaper sample of "pigeon" design. Box 273 (Broadside). undated. https://collections.library.yale.edu/catalog/2002764.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 273 (Broadside)"])(undated)[Wallpaper sample of "pigeon" design]. https://collections.library.yale.edu/catalog/2002764.