APA (7th ed.) Citation

Davidson, D. (1933). Sectionalism in the United States. [publisher not identified].

Chicago Style (17th ed.) Citation

Davidson, Donald. Sectionalism in the United States. [Camden, N.J.]: [publisher not identified], 1933.

MLA (9th ed.) Citation

Davidson, Donald. Sectionalism in the United States. [publisher not identified], 1933.