APA (7th ed.) Zitazioa

Foster John & Edited by Foster , J. (1997). Valuing nature?: Ethics, economics and the environment. Routledge.

Chicago Style (17th ed.) Zitazioa

Foster John eta John Edited by Foster. Valuing Nature?: Ethics, Economics and the Environment. London: Routledge, 1997.

MLA (9th ed.) Zitazioa

Foster John eta John Edited by Foster. Valuing Nature?: Ethics, Economics and the Environment. Routledge, 1997.