Cita APA (7a ed.)

Bernau, C. A. (1910). The international genealogical Directory. Bernau.

Cita Chicago Style (17a ed.)

Bernau, Charles A. The International Genealogical Directory. Walton-on-Thames, Engl.: Bernau, 1910.

Cita MLA (8a ed.)

Bernau, Charles A. The International Genealogical Directory. Bernau, 1910.