APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (8:e uppl.)

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