APA (7th ed.) Citation

Warburton, M. R. (1939). A history of the O'Connor ranch, 1834-1939. [publisher not identified].

Chicago Style (17th ed.) Citation

Warburton, Margaret Rose. A History of the O'Connor Ranch, 1834-1939. [Place of publication not identified]: [publisher not identified], 1939.

MLA (9th ed.) Citation

Warburton, Margaret Rose. A History of the O'Connor Ranch, 1834-1939. [publisher not identified], 1939.