APA-viite (7. p.)
Kelsen, H., & Arnold, E. (2004). A new science of politics: Hans Kelsen's reply to Eric Voegelin's "New Science of Politics" : a contribution to the critique of ideology. Ontos Verlag.
Chicago-viite (17. p.)
Kelsen, Hans, ja Eckhart Arnold. A New Science of Politics: Hans Kelsen's Reply to Eric Voegelin's "New Science of Politics" : A Contribution to the Critique of Ideology. Frankfurt: Ontos Verlag, 2004.
MLA-viite (9. p.)
Kelsen, Hans, ja Eckhart Arnold. A New Science of Politics: Hans Kelsen's Reply to Eric Voegelin's "New Science of Politics" : A Contribution to the Critique of Ideology. Ontos Verlag, 2004.
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