APA (7th ed.) Citation
Kelsen, H., Urbinati, N., Accetti, C. I., & Graf, B. (2013). The essence and value of democracy. Rowman & Littlefield Publishers.
Chicago Style (17th ed.) Citation
Kelsen, Hans, Nadia Urbinati, Carlo Invernizzi Accetti, and Brian Graf. The Essence and Value of Democracy. Lanham, Md. ; Plymouth, England: Rowman & Littlefield Publishers, 2013.
MLA (9th ed.) Citation
Kelsen, Hans, et al. The Essence and Value of Democracy. Rowman & Littlefield Publishers, 2013.
Warning: These citations may not always be 100% accurate.