APA Format
Roth, Leon. (1937).
Descartes's discourse on method / Leon Roth
. Britain :: Clarendon Press,.
MLA Format
Roth, Leon.
Descartes's discourse on method / Leon Roth
. Britain :: Clarendon Press,, 1937
Chicago Format
Roth, Leon. Descartes's discourse on method / Leon Roth. Britain :: Clarendon Press,, 1937.