एपीए उद्धरण

LaFeber, W. (1988). The American century: A history of the United States since the 1890s. Boston, Mass: McGraw-Hill.

शिकागो स्टाइल उद्धरण

LaFeber, Walter. The American Century: A History of the United States Since the 1890s. Boston, Mass: McGraw-Hill, 1988.

एमएलए उद्धरण

LaFeber, Walter. The American Century: A History of the United States Since the 1890s. Boston, Mass: McGraw-Hill, 1988.