Cita APA (7th ed.)

Rothenberg, D., & Næss, A. (1993). Is it painful to think?: Conversations with Arne Næss. University of Minnesota Press.

Cita Chicago (17th ed.)

Rothenberg, David, i Arne Næss. Is It Painful to Think?: Conversations with Arne Næss. Minneapolis: University of Minnesota Press, 1993.

Cita MLA (9th ed.)

Rothenberg, David, i Arne Næss. Is It Painful to Think?: Conversations with Arne Næss. University of Minnesota Press, 1993.