MLA

Montagu, Charles, Duke of Manchester, 1660?-1722. Unsigned letter to the E of M on the state of the Court, a quarrel between the Duchess of Marlborough and the Lord Chamberlain, and the probability that the Earl might obtain the Lord Chamberlain's Post. (Printed in "Court and Society from Elizabeth to Anne," ii, 383) London. Box 14, folder 69. 1708 Aug 14. https://collections.library.yale.edu/catalog/11179552.

APA, 6th edition

Montagu, Charles, Duke of Manchester, 1660?-1722. (["Box 14, folder 69"])(1708 Aug 14)[Unsigned letter to the E of M on the state of the Court, a quarrel between the Duchess of Marlborough and the Lord Chamberlain, and the probability that the Earl might obtain the Lord Chamberlain's Post. (Printed in "Court and Society from Elizabeth to Anne," ii, 383) London]. https://collections.library.yale.edu/catalog/11179552.