APA (7th ed.) Citation

Wöllauer, P. (2018). Erdöl und Erdgas.

Chicago Style (17th ed.) Citation

Wöllauer, Peter. Erdöl Und Erdgas. 2018.

MLA (9th ed.) Citation

Wöllauer, Peter. Erdöl Und Erdgas. 2018.

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