Cite

Brooks, R. S. and R. J. [Vallant?]. Contract for "the hire [of] Negro boy Wright," from William Bibb, [Huntsville, Alabama] (C35)

MLA

McGlashan, E. L. (Everitt Lynn), 1911-1978. Brooks, R. S. and R. J. [Vallant?]. Contract for "the hire [of] Negro boy Wright," from William Bibb, [Huntsville, Alabama] (C35). Box 1, folder 35. 1827 Jan 1. https://collections.library.yale.edu/catalog/33219790.

APA, 6th edition

McGlashan, E. L. (Everitt Lynn), 1911-1978. (["Box 1, folder 35"])(1827 Jan 1)[Brooks, R. S. and R. J. [Vallant?]. Contract for "the hire [of] Negro boy Wright," from William Bibb, [Huntsville, Alabama] (C35)]. https://collections.library.yale.edu/catalog/33219790.