APA Citation

Pfeffel, J. A. (1730). Regnum Bulgariae. [Wien: s.n.

Chicago Style Citation

Pfeffel, Johann Andreas. Regnum Bulgariae. [Wien: s.n, 1730.

MLA Citation

Pfeffel, Johann Andreas. Regnum Bulgariae. [Wien: s.n, 1730.

Warning: These citations may not always be 100% accurate.