APA (7th ed.) Citation

Machiavelli, N., & Bull, G. (1961). The Prince. Peguin Books.

Chicago Style (17th ed.) Citation

Machiavelli, Niccolò, and George Bull. The Prince. Hardmondsworth [etc.]: Peguin Books, 1961.

MLA (9th ed.) Citation

Machiavelli, Niccolò, and George Bull. The Prince. Peguin Books, 1961.

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