MLA
Leach, Dixie W. The Little Log Cabin in the Lane : with Two African American Women, an African American Man and Two Children Standing Outfront. 1907. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 71. https://digital.library.emory.edu/purl/221tdz08ng-cor.
APA, 6th edition
Leach, D. W. (1907). The little log cabin in the lane : with two African American women, an African American man and two children standing outfront (Box 71) [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/221tdz08ng-cor.
Chicago
Leach, Dixie W. “The Little Log Cabin in the Lane : with Two African American Women, an African American Man and Two Children Standing Outfront.” Postcards. Robert Langmuir African American Photograph Collection, 1907. Box 71. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/221tdz08ng-cor.