APA Citation

Cumpa, J., & Tegtmeier, E. (2011). Ontological categories. Frankfurt: Ontos Verlag.

Chicago Style Citation

Cumpa, Javier, and Erwin Tegtmeier. Ontological Categories. Frankfurt: Ontos Verlag, 2011.

MLA Citation

Cumpa, Javier, and Erwin Tegtmeier. Ontological Categories. Frankfurt: Ontos Verlag, 2011.

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