Dyfyniad APA
Harvey, M. W. T., Cronon, W., & Schwartz, B. (2014). The wilderness writings of Howard Zahniser. University of Washington Press.
Dyfyniad Arddull Chicago
Harvey, Mark W. T., William Cronon, and Barry Schwartz. The Wilderness Writings of Howard Zahniser. Seattle, Washington: University of Washington Press, 2014.
Dyfyniad MLA
Harvey, Mark W. T., et al. The Wilderness Writings of Howard Zahniser. University of Washington Press, 2014.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.