Cita APA (7th ed.)

ebrary, Inc, Rott, H., & Horák, V. (2003). Possibility and reality: Metaphysics and logic. Ontos Verlag.

Cita Chicago (17th ed.)

ebrary, Inc, Hans Rott, i Vítezslav Horák. Possibility and Reality: Metaphysics and Logic. Frankfurt: Ontos Verlag, 2003.

Cita MLA (9th ed.)

ebrary, Inc, et al. Possibility and Reality: Metaphysics and Logic. Ontos Verlag, 2003.