APA (7th ed.) Citation

Villa, V. (1997). A definition of legal positivism. Challenges to law at the end of the 20th century ; 4: Legal systems and legal science, 22 - 29.

Chicago Style (17th ed.) Citation

Villa, Vittorio. "A Definition of Legal Positivism." Challenges to Law at the End of the 20th Century ; 4: Legal Systems and Legal Science 1997: 22 - 29.

MLA (8th ed.) Citation

Villa, Vittorio. "A Definition of Legal Positivism." Challenges to Law at the End of the 20th Century ; 4: Legal Systems and Legal Science, 1997, pp. 22 - 29.

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