Cita APA (7th ed.)

Beck, W. S. (1957). Modern science and the nature of life. Penguin.

Cita Chicago (17th ed.)

Beck, William S. Modern Science and the Nature of Life. Harmondsworth [England]: Penguin, 1957.

Cita MLA (8th ed.)

Beck, William S. Modern Science and the Nature of Life. Penguin, 1957.