MLA
Fontana, Carlo, 1634-1714. Templum Vaticanum et ipsius origo : cum ædifici's maximè conspicuis antiquitùs, & recèns ibidem constitutis;. XXXX. Views of Rome Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0171vhhqcj-cor.
APA, 6th edition
Fontana, Carlo, 1634-1714. (XXXX)[Templum Vaticanum et ipsius origo : cum ædifici's maximè conspicuis antiquitùs, & recèns ibidem constitutis;]. Views of Rome Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0171vhhqcj-cor.
Chicago
Fontana, Carlo, 1634-1714, Templum Vaticanum et ipsius origo : cum ædifici's maximè conspicuis antiquitùs, & recèns ibidem constitutis;, XXXX, Views of Rome Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0171vhhqcj-cor.