Rönnebeck, Arnold
MLA
Stieglitz, Alfred, 1864-1946. Rönnebeck, Arnold. Box 41, folder 992-993. 1919-45. https://collections.library.yale.edu/catalog/17105652.
APA, 6th edition
Stieglitz, Alfred, 1864-1946. (["Box 41, folder 992-993"])(1919-45)[Rönnebeck, Arnold]. https://collections.library.yale.edu/catalog/17105652.