APA (7th ed.) Citation

Welch, E., & Historical Society of Ottawa. (1981). Archives and manuscripts held by the Historical Society of Ottawa (2nd ed., rev.). National Capital Commission?].

Chicago Style (17th ed.) Citation

Welch, Edwin, and Historical Society of Ottawa. Archives and Manuscripts Held by the Historical Society of Ottawa. 2nd ed., rev. [Ottawa?: National Capital Commission?], 1981.

MLA (8th ed.) Citation

Welch, Edwin, and Historical Society of Ottawa. Archives and Manuscripts Held by the Historical Society of Ottawa. 2nd ed., rev. National Capital Commission?], 1981.