APA

Arnold H. F., . (1980). Trees in urban design. New York: Van Nostrand Reinhold Company.

Chicago

Arnold Henry F, . 1980. Trees in urban design. New York: Van Nostrand Reinhold Company.

Harvard

Arnold H. F., . (1980). Trees in urban design. New York: Van Nostrand Reinhold Company.

MLA

Arnold Henry F, . Trees in urban design. New York: Van Nostrand Reinhold Company. 1980.