APA Citatie

Heise, U. K., Christensen, J., & Niemann, M. (2017). The routledge companion to the environmental humanities. Routledge.

Chicago Style citaat

Heise, Ursula K., Jon Christensen, en Michelle Niemann. The Routledge Companion to the Environmental Humanities. London: Routledge, 2017.

MLA citatie

Heise, Ursula K., et al. The Routledge Companion to the Environmental Humanities. Routledge, 2017.