Cita APA (7th ed.)
Voltelini, H. v., & Ottenthal, E. v. (1919). German and Ladin South-Tyrol.
Cita Chicago (17th ed.)
Voltelini, Hans v., i Emil v. Ottenthal. German and Ladin South-Tyrol. Wien, 1919.
Cita MLA (9th ed.)
Voltelini, Hans v., i Emil v. Ottenthal. German and Ladin South-Tyrol. 1919.
Atenció: Aquestes cites poden no estar 100% correctes.