APA (7th ed.) Citation

Internationaler Kongress Umwelt 72. (1972). Umwelt 72: Kongress.

Chicago Style (17th ed.) Citation

Internationaler Kongress Umwelt 72. Umwelt 72: Kongress. [S.l.], 1972.

MLA (9th ed.) Citation

Internationaler Kongress Umwelt 72. Umwelt 72: Kongress. 1972.

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