Quennell, P. (1956). John Ruskin. Published for the British Council and the National Book League by Longmans, Green.
芝加哥风格引文Quennell, Peter. John Ruskin. London: Published for the British Council and the National Book League by Longmans, Green, 1956.
MLA引文Quennell, Peter. John Ruskin. Published for the British Council and the National Book League by Longmans, Green, 1956.
警告：这些引文格式不一定是100％准确.