APA (7th ed.) Citation

Dunnett, D. (1971). The ringed castle. Fawcett Popular Library.

Chicago Style (17th ed.) Citation

Dunnett, Dorothy. The Ringed Castle. New York: Fawcett Popular Library, 1971.

MLA (9th ed.) Citation

Dunnett, Dorothy. The Ringed Castle. Fawcett Popular Library, 1971.