MLA

Barrington, Samuel, 1729-1800. Letter from Byron requesting Barrington's opinion concerning the strength of the French fleet.. Box 1, folder 49. 1779 Jul 6. https://collections.library.yale.edu/catalog/16828686.

APA, 6th edition

Barrington, Samuel, 1729-1800. (["Box 1, folder 49"])(1779 Jul 6)[Letter from Byron requesting Barrington's opinion concerning the strength of the French fleet.]. https://collections.library.yale.edu/catalog/16828686.