APA (7th ed.) Citation

Burkhardt, H., Smith, B., Bochenski, J. M., & Angelelli, I. (1991). Handbook of metaphysics and ontology. Philosophia Verlag.

Chicago Style (17th ed.) Citation

Burkhardt, Hans, Barry Smith, Joseph M. Bochenski, and Ignacio Angelelli. Handbook of Metaphysics and Ontology. Munich ; Philadelphia: Philosophia Verlag, 1991.

MLA (9th ed.) Citation

Burkhardt, Hans, et al. Handbook of Metaphysics and Ontology. Philosophia Verlag, 1991.