MLA
Wightman, William M. (William May), 1808-1882. Letter from William M. Wightman (Charleston, South Carolina) to Robert Paine - June 5, 1850. June 5, 1850. Robert Paine Papers, 1828-1882. Pitts Theology Library. https://digital.library.emory.edu/purl/436tx95zbq-cor.
APA, 6th edition
Wightman, William M. (William May), 1808-1882. (June 5, 1850)[Letter from William M. Wightman (Charleston, South Carolina) to Robert Paine - June 5, 1850]. Robert Paine Papers, 1828-1882, Pitts Theology Library. https://digital.library.emory.edu/purl/436tx95zbq-cor.
Chicago
Wightman, William M. (William May), 1808-1882, Letter from William M. Wightman (Charleston, South Carolina) to Robert Paine - June 5, 1850, June 5, 1850, Robert Paine Papers, 1828-1882, Pitts Theology Library. https://digital.library.emory.edu/purl/436tx95zbq-cor.