Παραπομπή σε μορφή APA (7η εκδ.)

ebrary, Inc, Cole, D. N., & Yung, L. (2010). Beyond naturalness: Rethinking park and wilderness stewardship in an era of rapid change. Island Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

ebrary, Inc, David N. Cole, και Laurie Yung. Beyond Naturalness: Rethinking Park and Wilderness Stewardship in an Era of Rapid Change. Washington, D.C.: Island Press, 2010.

Παραπομπή σε μορφή MLA (9th εκδ.)

ebrary, Inc, et al. Beyond Naturalness: Rethinking Park and Wilderness Stewardship in an Era of Rapid Change. Island Press, 2010.