Allen, S. W. (1960). An introduction to American Forestry. McGrae-Hill Book company, Inc..
Stile di citazione ChicagoAllen, Shirley Walter. An Introduction to American Forestry. New York: McGrae-Hill Book company, Inc., 1960.
Citazione MLAAllen, Shirley Walter. An Introduction to American Forestry. McGrae-Hill Book company, Inc., 1960.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.