APA (7th ed.) Citation

Kromer, R. (2007). Tool and object: A history and philosophy of category theory. Birkhauser.

Chicago Style (17th ed.) Citation

Kromer, Ralf. Tool and Object: A History and Philosophy of Category Theory. Basel: Birkhauser, 2007.

MLA (8th ed.) Citation

Kromer, Ralf. Tool and Object: A History and Philosophy of Category Theory. Birkhauser, 2007.

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