APA (7th ed.) Citation

Cumpa, J. (2011). Ontological categories. Ontos Verlag.

Chicago Style (17th ed.) Citation

Cumpa, Javier. Ontological Categories. Frankfurt: Ontos Verlag, 2011.

MLA (9th ed.) Citation

Cumpa, Javier. Ontological Categories. Ontos Verlag, 2011.

Warning: These citations may not always be 100% accurate.