APA (7th ed.) Zitazioa
Keulartz, J. (1998). Struggle for nature: A critique of radical ecology. Routledge.
Chicago Style (17th ed.) Zitazioa
Keulartz, Jozef. Struggle for Nature: A Critique of Radical Ecology. London ; New York: Routledge, 1998.
MLA (9th ed.) Zitazioa
Keulartz, Jozef. Struggle for Nature: A Critique of Radical Ecology. Routledge, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.