APA (7th ed.) Citation

(1986). Umwelt. Kösel [u.a.].

Chicago Style (17th ed.) Citation

Umwelt. München [u.a.]: Kösel [u.a.], 1986.

MLA (9th ed.) Citation

Umwelt. Kösel [u.a.], 1986.

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