APA (7th ed.) Citation

Del Villar, M. (1970). The circle. Harrap.

Chicago Style (17th ed.) Citation

Del Villar, Manuel. The Circle. London: Harrap, 1970.

MLA (9th ed.) Citation

Del Villar, Manuel. The Circle. Harrap, 1970.

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