Callenbach, E. (2004). Ecology: A pocket guide. University Press, University of California Press.
Chicago Edition CitationCallenbach, Ernest. Ecology: A Pocket Guide. Hyderabad : Berkeley: University Press, University of California Press, 2004.
MLA Edition CitationCallenbach, Ernest. Ecology: A Pocket Guide. University Press, University of California Press, 2004.
Warning: These citations may not always be 100% accurate.