APA (7th ed.) Citation

Trimmel, H. (1978). Höhlen in Niederösterreich.

Chicago Style (17th ed.) Citation

Trimmel, Hubert. Höhlen in Niederösterreich. 1978.

MLA (9th ed.) Citation

Trimmel, Hubert. Höhlen in Niederösterreich. 1978.

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