APA Citation

Weiford, G. W., Jr. (1965). "Cogito ergo sum": I think, therefore I am : the basic philosophy of Rene Descartes (1596-1650). [Philadelphia, Pa.?: s.n.].

Chicago Style Citation

Weiford, George W., Jr. "Cogito Ergo Sum": I Think, Therefore I Am : The Basic Philosophy of Rene Descartes (1596-1650). [Philadelphia, Pa.?: s.n.], 1965.

MLA Citation

Weiford, George W., Jr. "Cogito Ergo Sum": I Think, Therefore I Am : The Basic Philosophy of Rene Descartes (1596-1650). [Philadelphia, Pa.?: s.n.], 1965.

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