APA (7th ed.) Citation

Silone, I., & Silone, D. (1958). The secret of Luca. Harper.

Chicago Style (17th ed.) Citation

Silone, Ignazio, and Darina Silone. The Secret of Luca. New York: Harper, 1958.

MLA (9th ed.) Citation

Silone, Ignazio, and Darina Silone. The Secret of Luca. Harper, 1958.

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