APA (7th ed.) Citation

Karl, J. (1993). Unsere Umwelt Alpen.

Chicago Style (17th ed.) Citation

Karl, Johann. Unsere Umwelt Alpen. 1993.

MLA (9th ed.) Citation

Karl, Johann. Unsere Umwelt Alpen. 1993.

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