Citazione APA

Vernon Pratt, Emily Brady, & Jane Howarth. (2000). Environment and philosophy. Routledge.

Stile di citazione Chicago

Vernon Pratt, Emily Brady, e Jane Howarth. Environment and Philosophy. London: Routledge, 2000.

Citazione MLA

Vernon Pratt, et al. Environment and Philosophy. Routledge, 2000.