Cite

Donald Etra, class of 1968.

MLA

Unknown. Donald Etra, Class of 1968. 1967. https://collections.library.yale.edu/catalog/10015058.

APA, 6th edition

U. (1967). Donald Etra, class of 1968. [Books (part of)]. https://collections.library.yale.edu/catalog/10015058.