Cite

Notebooks studying Jay Hambidge's "Whirling Square" theory

MLA

Henri, Robert, 1865-1929. Notebooks studying Jay Hambidge's "Whirling Square" theory. Box 26, folder 609. n.d.. https://collections.library.yale.edu/catalog/17029600.

APA, 6th edition

Henri, Robert, 1865-1929. (["Box 26, folder 609"])(n.d.)[Notebooks studying Jay Hambidge's "Whirling Square" theory]. https://collections.library.yale.edu/catalog/17029600.