APA (7th ed.) Citation

Trapp, O., & Hörmann, M. (1973). Tiroler Burgenbuch. Athesia.

Chicago Style (17th ed.) Citation

Trapp, Oswald, and Magdalena Hörmann. Tiroler Burgenbuch. Bozen: Athesia, 1973.

MLA (9th ed.) Citation

Trapp, Oswald, and Magdalena Hörmann. Tiroler Burgenbuch. Athesia, 1973.

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