Roebuck, W. D. (1915). Census Authentications. Zenodo.
Cita Chicago (17th ed.)Roebuck, William Denison. Census Authentications. Zenodo, 1915.
Cita MLA (9th ed.)Roebuck, William Denison. Census Authentications. Zenodo, 1915.
Atenció: Aquestes cites poden no estar 100% correctes.