Cita APA (7th ed.)

Grayson-Smith, H. (1967). The changing concepts of science. Prentice Hall.

Cita Chicago (17th ed.)

Grayson-Smith, Hugh. The Changing Concepts of Science. Englewood Cliffs, NJ: Prentice Hall, 1967.

Cita MLA (9th ed.)

Grayson-Smith, Hugh. The Changing Concepts of Science. Prentice Hall, 1967.

Atenció: Aquestes cites poden no estar 100% correctes.