APA استشهاد

Allen, S. W. (1960). An introduction to American Forestry. McGrae-Hill Book company, Inc..

استشهاد بنمط شيكاغو

Allen, Shirley Walter. An Introduction to American Forestry. New York: McGrae-Hill Book company, Inc., 1960.

MLA استشهاد

Allen, Shirley Walter. An Introduction to American Forestry. McGrae-Hill Book company, Inc., 1960.