MLA

Heath, Thomas. A History of Greek Mathematics: From Thales to Euclid - From Arichstarchus to Diophantus. Oxford: Clarendon, 1921.

APA

Heath, T. (1921). A history of Greek mathematics: From Thales to Euclid - From Arichstarchus to Diophantus. Oxford: Clarendon.

Chicago

Heath, Thomas A History of Greek Mathematics: From Thales to Euclid - From Arichstarchus to Diophantus. 2/2. Oxford: Clarendon, 1921.