Worldwatch Institute, Heinrich-Böll-Stiftung, Germanwatch, Körperschaft, & Germanwatch. (1987). Zur Lage der Welt .. Oekom.
Chicago Style (17th ed.) CitationWorldwatch Institute, Heinrich-Böll-Stiftung, Körperschaft Germanwatch, and Germanwatch. Zur Lage Der Welt .. München: Oekom, 1987.
MLA (8th ed.) CitationWorldwatch Institute, et al. Zur Lage Der Welt .. Oekom, 1987.
Warning: These citations may not always be 100% accurate.