Zimmerman, M. E. (1998). Environmental philosophy: From animal rights to radical ecology (2nd ed.). Prentice Hall.
Citazione stile Chigago Style (17a edizione)Zimmerman, Michael E. Environmental Philosophy: From Animal Rights to Radical Ecology. 2nd ed. Upper Saddle River, N.J: Prentice Hall, 1998.
Citatione MLA (9a ed.)Zimmerman, Michael E. Environmental Philosophy: From Animal Rights to Radical Ecology. 2nd ed. Prentice Hall, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.