APA (7th ed.) Citation

(1927). Umgebungskarte Regensburg. Bayer. Topograph. Bureau.

Chicago Style (17th ed.) Citation

Umgebungskarte Regensburg. München: Bayer. Topograph. Bureau, 1927.

MLA (9th ed.) Citation

Umgebungskarte Regensburg. Bayer. Topograph. Bureau, 1927.

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