William R. Johnson & Adam Matthew Digital (Firm). (2018). West Africa (Sierra Leone): Original papers, missionaries: William R. Johnson. Adam Matthew Digital.
Chicago Style (17th ed.) CitationWilliam R. Johnson and Adam Matthew Digital (Firm). West Africa (Sierra Leone): Original Papers, Missionaries: William R. Johnson. Marlborough, Wiltshire: Adam Matthew Digital, 2018.
MLA (9th ed.) CitationWilliam R. Johnson and Adam Matthew Digital (Firm). West Africa (Sierra Leone): Original Papers, Missionaries: William R. Johnson. Adam Matthew Digital, 2018.
Warning: These citations may not always be 100% accurate.