MLA
Julio, Everett B. D., and Fred Halpin. The Last Meeting, Robert E. Lee and Thomas "Stonewall" Jackson. Framed Lithograph by Everett B.D. Julio and Engraving by Fred Halpin. 1869. Stuart A. Rose Manuscript, Archives, and Rare Book Library, OP30. https://digital.library.emory.edu/purl/279v15dwb2-cor.
APA, 6th edition
Julio, E. B. D., & Halpin, F. (1869). The Last Meeting, Robert E. Lee and Thomas "Stonewall" Jackson. Framed lithograph by Everett B.D. Julio and engraving by Fred Halpin (OP30) [Lithographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/279v15dwb2-cor.
Chicago
Julio, Everett B. D., and Fred Halpin. “The Last Meeting, Robert E. Lee and Thomas ‘Stonewall’ Jackson. Framed Lithograph by Everett B.D. Julio and Engraving by Fred Halpin.” Lithographs. Civil War Collection. Saint Louis, MO, 1869. OP30. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/279v15dwb2-cor.