Adam Matthew Digital (Firm). (2019). Main Series of Letters received and miscellaneous. Adam Matthew Digital.
Chicago Style (17th ed.) CitationAdam Matthew Digital (Firm). Main Series of Letters Received and Miscellaneous. Marlborough, Wiltshire: Adam Matthew Digital, 2019.
MLA (9th ed.) CitationAdam Matthew Digital (Firm). Main Series of Letters Received and Miscellaneous. Adam Matthew Digital, 2019.
Warning: These citations may not always be 100% accurate.