Παραπομπή APA

Pratt, V., Brady, E., & Howarth, J. (2000). Environment and philosophy. Routledge.

Παραπομπή Chicago Style

Pratt, Vernon, Emily Brady, και Jane Howarth. Environment and Philosophy. London ; New York: Routledge, 2000.

Παραπομπή MLA

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