MLA

Frege, Gottlob. The Foundations of Arithmetic: A Logico-mathematical Enquiry Into the Concept of Number. Oxford: Basil Blackwell, 1974.

APA

Frege, G. (1974). The foundations of arithmetic: A logico-mathematical enquiry into the concept of number. Oxford: Basil Blackwell.

Chicago

Frege, Gottlob The Foundations of Arithmetic: A Logico-Mathematical Enquiry Into the Concept of Number. Oxford: Basil Blackwell, 1974.