MLA

Montagu, Charles, Duke of Manchester, 1660?-1722. James Vernon to the E of M, giving some particulars of M. Tallard's interview with the King, and of the movements of Meers and Captain Magrath. (Partly in cipher, deciphered on fly-leaf. Nearly all printed, as deciphered, in Cole's Memoirs, p. 270) Whitehall. Box 5, folder 65. 1700 Dec 12. https://collections.library.yale.edu/catalog/16601198.

APA, 6th edition

Montagu, Charles, Duke of Manchester, 1660?-1722. (["Box 5, folder 65"])(1700 Dec 12)[James Vernon to the E of M, giving some particulars of M. Tallard's interview with the King, and of the movements of Meers and Captain Magrath. (Partly in cipher, deciphered on fly-leaf. Nearly all printed, as deciphered, in Cole's Memoirs, p. 270) Whitehall]. https://collections.library.yale.edu/catalog/16601198.