Heise, U. K., Christensen, J., & Niemann, M. (2017). The Routledge companion to the environmental humanities: Edited by Ursula K. Heise, Jon Christensen, and Michelle Niemann. Routledge, Taylor & Francis Group.

Heise, Ursula K., Jon Christensen, and Michelle Niemann. The Routledge Companion to the Environmental Humanities: Edited by Ursula K. Heise, Jon Christensen, and Michelle Niemann. London [u.a.]: Routledge, Taylor & Francis Group, 2017.

Heise, Ursula K., et al. The Routledge Companion to the Environmental Humanities: Edited by Ursula K. Heise, Jon Christensen, and Michelle Niemann. Routledge, Taylor & Francis Group, 2017.