APA (7th ed.) Citation

(1990). Luftreinhalteplan Karlsruhe 1990.

Chicago Style (17th ed.) Citation

Luftreinhalteplan Karlsruhe 1990. Stuttgart, 1990.

MLA (9th ed.) Citation

Luftreinhalteplan Karlsruhe 1990. 1990.

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