APA
East W. G., . (1965). The geography behind history. New York: Nortom & company.
Chicago
East W Gordon, . 1965. The geography behind history. New York: Nortom & company.
Harvard
East W. G., . (1965). The geography behind history. New York: Nortom & company.
MLA
East W Gordon, . The geography behind history. New York: Nortom & company. 1965.
