Cita APA (7a ed.)

Nagel, E. (1960). The nature and aim of science. U.S. Information Agency.

Cita Chicago Style (17a ed.)

Nagel, Ernest. The Nature and Aim of Science. Washington: U.S. Information Agency, 1960.

Cita MLA (9a ed.)

Nagel, Ernest. The Nature and Aim of Science. U.S. Information Agency, 1960.