APA引文

Watts, C. T. (1985). A preface to Keats. Longman.

芝加哥风格引文

Watts, Cedric Thomas. A Preface to Keats. London ; New York: Longman, 1985.

MLA引文

Watts, Cedric Thomas. A Preface to Keats. Longman, 1985.

警告：这些引文格式不一定是100％准确.