APA (7th ed.) Citation

Harold S. Williams & Adam Matthew Digital (Firm). (2018). Harold S. Williams additional subject files: Box 29. Adam Matthew Digital.

Chicago Style (17th ed.) Citation

Harold S. Williams and Adam Matthew Digital (Firm). Harold S. Williams Additional Subject Files: Box 29. Marlborough, Wiltshire: Adam Matthew Digital, 2018.

MLA (9th ed.) Citation

Harold S. Williams and Adam Matthew Digital (Firm). Harold S. Williams Additional Subject Files: Box 29. Adam Matthew Digital, 2018.