Digital Commonwealth

MLA

Halpern, Joel Martin, Halpern, Carl, and Nettie Halpern. Letter from Joel M. Halpern to Nettie and Carl Halpern. 17 Jul 1949. Web. 21 Feb 2019. <https://www.digitalcommonwealth.org/search/commonwealth-oai:m613nf94s>.

APA

Halpern, J., Halpern, C., & Nettie Halpern. (1949, July 17). Letter from Joel M. Halpern to Nettie and Carl Halpern [Correspondence]. Retrieved from https://www.digitalcommonwealth.org/search/commonwealth-oai:m613nf94s

Chicago

Halpern, Joel Martin, Halpern, Carl, and Nettie Halpern. "Letter from Joel M. Halpern to Nettie and Carl Halpern." Correspondence. July 17, 1949. Digital Commonwealth, https://www.digitalcommonwealth.org/search/commonwealth-oai:m613nf94s (accessed February 21, 2019).