APA引文
Asfour, A., & Williamson, P. (1999). Gainsborough's vision. Liverpool University Press.
芝加哥风格引文
Asfour, Amal, 与 Paul Williamson. Gainsborough's Vision. Liverpool: Liverpool University Press, 1999.
MLA引文
Asfour, Amal, 与 Paul Williamson. Gainsborough's Vision. Liverpool University Press, 1999.
警告:这些引文格式不一定是100%准确.