APA引文

Crawford, A. (2010). Yorkist lord: John Howard, Duke of Norfolk, c.1425-1485. Continuum.

芝加哥风格引文

Crawford, Anne. Yorkist Lord: John Howard, Duke of Norfolk, C.1425-1485. London: Continuum, 2010.

MLA引文

Crawford, Anne. Yorkist Lord: John Howard, Duke of Norfolk, C.1425-1485. Continuum, 2010.

警告：这些引文格式不一定是100％准确.