APA (7th ed.) Citation

(1971). Biologie in unserer Zeit. Verlag Chemie GmbH.

Chicago Style (17th ed.) Citation

Biologie in Unserer Zeit. [Weinheim, Germany]: Verlag Chemie GmbH, 1971.

MLA (9th ed.) Citation

Biologie in Unserer Zeit. Verlag Chemie GmbH, 1971.

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