एपीए उद्धरण

Cole, D. N. 1. 1. 1., & Yung, L. 1. (2010). Beyond naturalness: Rethinking park and wilderness stewardship in an era of rapid change. Washington, DC: Island Press.

शिकागो स्टाइल उद्धरण

Cole, David N. 1943- 1965- 1950-, और Laurie 1969- Yung. Beyond Naturalness: Rethinking Park and Wilderness Stewardship in an Era of Rapid Change. Washington, DC: Island Press, 2010.

एमएलए उद्धरण

Cole, David N. 1943- 1965- 1950-, और Laurie 1969- Yung. Beyond Naturalness: Rethinking Park and Wilderness Stewardship in an Era of Rapid Change. Washington, DC: Island Press, 2010.