APA (7th ed.) Citation

Hacking, I. (2004). Historical ontology (1a. ed.). Harvard University Press.

Chicago Style (17th ed.) Citation

Hacking, Ian. Historical Ontology. 1a. ed. Cambridge: Harvard University Press, 2004.

MLA (9th ed.) Citation

Hacking, Ian. Historical Ontology. 1a. ed. Harvard University Press, 2004.