APA(7版)引用形式
Roberts, R. (2010). Joe Louis: Hard times man. Yale University Press.
Chicagoスタイル(17版)引用形式
Roberts, Randy. Joe Louis: Hard Times Man. New Haven, [Conn.]: Yale University Press, 2010.
MLA(9版)引用形式
Roberts, Randy. Joe Louis: Hard Times Man. Yale University Press, 2010.
警告: この引用は必ずしも正確ではありません.