APA (7th ed.) Citation

Okrusch, M. (2010). Vulkanische Gesteine.

Chicago Style (17th ed.) Citation

Okrusch, Martin. Vulkanische Gesteine. 2010.

MLA (9th ed.) Citation

Okrusch, Martin. Vulkanische Gesteine. 2010.

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