APA (7th ed.) Citation

ebrary, Inc, & Szatkowski, M. (2012). Ontological proofs today. Ontos Verlag.

Chicago Style (17th ed.) Citation

ebrary, Inc, and Mirosław Szatkowski. Ontological Proofs Today. Frankfurt ; New Brunswick: Ontos Verlag, 2012.

MLA (9th ed.) Citation

ebrary, Inc, and Mirosław Szatkowski. Ontological Proofs Today. Ontos Verlag, 2012.