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.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHeise, Ursula K., Jon Christensen, और 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.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHeise, 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.
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