APA (7th ed.) Citation

Downs, B. W. (1972). A study of six plays by Ibsen. Octagon Books.

Chicago Style (17th ed.) Citation

Downs, Brian Westerdale. A Study of Six Plays by Ibsen. New York: Octagon Books, 1972.

MLA (9th ed.) Citation

Downs, Brian Westerdale. A Study of Six Plays by Ibsen. Octagon Books, 1972.

Warning: These citations may not always be 100% accurate.