APA (7th ed.) Citation

Downs, B. W. (1950). A study of six plays by Ibsen. University Press.

Chicago Style (17th ed.) Citation

Downs, Brian Westerdale. A Study of Six Plays by Ibsen. Cambridge [England]: University Press, 1950.

MLA (9th ed.) Citation

Downs, Brian Westerdale. A Study of Six Plays by Ibsen. University Press, 1950.