APA način citiranja (7. izdanje)
ebrary, Inc, Perissinotto, L., & Sanfélix, V. (2011). Doubt, ethics and religion: Wittgenstein and the counter-enlightenment. Ontos Verlag.
Čikaški stil citiranja (17. izdanje)
ebrary, Inc, Luigi Perissinotto, i Vicente Sanfélix. Doubt, Ethics and Religion: Wittgenstein and the Counter-enlightenment. Frankfurt: Ontos Verlag, 2011.
MLA način citiranja (9. izdanje)
ebrary, Inc, et al. Doubt, Ethics and Religion: Wittgenstein and the Counter-enlightenment. Ontos Verlag, 2011.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.