APA (7th ed.) Citation

(1981). Öko-Log-Buch. Beltz.

Chicago Style (17th ed.) Citation

Öko-Log-Buch. Weinheim [u.a.]: Beltz, 1981.

MLA (8th ed.) Citation

Öko-Log-Buch. Beltz, 1981.

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