APA
Link S Arthur, Link S Arthur, . (1980). American epoch / 1, An era of economic change, reform, and World Wars 1900-1945. New York: Knopf.
Chicago
Link S Arthur, Link S Arthur, . 1980. American epoch / 1, An era of economic change, reform, and World Wars 1900-1945. New York: Knopf.
Harvard
Link S Arthur, Link S Arthur, . (1980). American epoch / 1, An era of economic change, reform, and World Wars 1900-1945. New York: Knopf.
MLA
Link S Arthur, Link S Arthur, . American epoch / 1, An era of economic change, reform, and World Wars 1900-1945. New York: Knopf. 1980.