APA (7th ed.) Citation

St. John, N. (1976). The Medici ring. Collins.

Chicago Style (17th ed.) Citation

St. John, Nicole. The Medici Ring. London: Collins, 1976.

MLA (8th ed.) Citation

St. John, Nicole. The Medici Ring. Collins, 1976.

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