APA

International Congress for Logic M. a. P. o. S. A. 1., . (1968). Logic, methodology and philosophy of science: proceedings. Amsterdam: North-Holland Pub.

Chicago

International Congress for Logic Methodology and Philosophy of Science.3rd Amsterdam 1967, . 1968. Logic, methodology and philosophy of science: proceedings. Amsterdam: North-Holland Pub.

Harvard

International Congress for Logic M. a. P. o. S. A. 1., . (1968). Logic, methodology and philosophy of science: proceedings. Amsterdam: North-Holland Pub.

MLA

International Congress for Logic Methodology and Philosophy of Science.3rd Amsterdam 1967, . Logic, methodology and philosophy of science: proceedings. Amsterdam: North-Holland Pub. 1968.