MLA
Paine, Robert, 1799-1882. Instructions from Robert Paine to Thomas Stringfield. unknown. Robert Paine Papers, 1828-1882. Pitts Theology Library. https://digital.library.emory.edu/purl/921ghx3gk8-cor.
APA, 6th edition
Paine, Robert, 1799-1882. (unknown)[Instructions from Robert Paine to Thomas Stringfield]. Robert Paine Papers, 1828-1882, Pitts Theology Library. https://digital.library.emory.edu/purl/921ghx3gk8-cor.
Chicago
Paine, Robert, 1799-1882, Instructions from Robert Paine to Thomas Stringfield, unknown, Robert Paine Papers, 1828-1882, Pitts Theology Library. https://digital.library.emory.edu/purl/921ghx3gk8-cor.