APA استشهاد

Smith, W. H. (1970). Tree pathology: A short introduction. Academic Press.

استشهاد بنمط شيكاغو

Smith, W H. Tree Pathology: A Short Introduction. New York: Academic Press, 1970.

MLA استشهاد

Smith, W H. Tree Pathology: A Short Introduction. Academic Press, 1970.