APA-Zitierstil (7. Ausg.)

Likens, G. E. (1992). The ecosystem approach: Its use and abuse. Ecology Inst.

Chicago-Zitierstil (17. Ausg.)

Likens, Gene E. The Ecosystem Approach: Its Use and Abuse. Oldendorf, Luhe: Ecology Inst, 1992.

MLA-Zitierstil (9. Ausg.)

Likens, Gene E. The Ecosystem Approach: Its Use and Abuse. Ecology Inst, 1992.