Cita APA (7th ed.)

Bauerfeind, H. (1975). Burgruine Regenstein.

Cita Chicago (17th ed.)

Bauerfeind, Hans. Burgruine Regenstein. Blankenburg, 1975.

Cita MLA (8th ed.)

Bauerfeind, Hans. Burgruine Regenstein. 1975.