Cita APA (7th ed.)

Major, C. (1890). Karte Unionsgrotte und Bastei am Schönberg (1:1000.). Gräbe & Hetzer.

Cita Chicago (17th ed.)

Major, Clemens. Karte Unionsgrotte Und Bastei Am Schönberg. 1:1000. Sonneberg: Gräbe & Hetzer, 1890.

Cita MLA (8th ed.)

Major, Clemens. Karte Unionsgrotte Und Bastei Am Schönberg. 1:1000. Gräbe & Hetzer, 1890.