Cite

Sitting, from right, with eyes closed, portrait by Edward Steichen (in Series V)

MLA

O'Neill, Eugene, 1888-1953. Sitting, from right, with eyes closed, portrait by Edward Steichen (in Series V). Box 144, folder 2561. [1933]. https://collections.library.yale.edu/catalog/16582089.

APA, 6th edition

O'Neill, Eugene, 1888-1953. (["Box 144, folder 2561"])([1933])[Sitting, from right, with eyes closed, portrait by Edward Steichen (in Series V)]. https://collections.library.yale.edu/catalog/16582089.