APA (7th ed.) Citation

Beard, W. (1900). Correspondence regarding missions, 1900-1938. publisher not identified.

Chicago Style (17th ed.) Citation

Beard, Willard. Correspondence Regarding Missions, 1900-1938. [Place of publication not identified: publisher not identified, 1900.

MLA (9th ed.) Citation

Beard, Willard. Correspondence Regarding Missions, 1900-1938. publisher not identified, 1900.