Cite

Birth record for William Blackbird

MLA

Kilpatrick, Jack Frederick (1915-1967). Birth record for William Blackbird. Box 11, folder 1008. after 1904 February 7. https://collections.library.yale.edu/catalog/15493814.

APA, 6th edition

Kilpatrick, Jack Frederick (1915-1967). (["Box 11, folder 1008"])(after 1904 February 7)[Birth record for William Blackbird]. https://collections.library.yale.edu/catalog/15493814.