APA

Nagel E., . (1961). The structure of science: problems in the logic of scientific explanation. New York: Harcourt.

Chicago

Nagel Ernest, . 1961. The structure of science: problems in the logic of scientific explanation. New York: Harcourt.

Harvard

Nagel E., . (1961). The structure of science: problems in the logic of scientific explanation. New York: Harcourt.

MLA

Nagel Ernest, . The structure of science: problems in the logic of scientific explanation. New York: Harcourt. 1961.