Cita APA (7th ed.)

Gamow, G. (1965). Matter, earth and sky: George Gamow (2nd ed.). Prentice-Hall.

Cita Chicago (17th ed.)

Gamow, George. Matter, Earth and Sky: George Gamow. 2nd ed. Cliffs, N. J: Prentice-Hall, 1965.

Cita MLA (9th ed.)

Gamow, George. Matter, Earth and Sky: George Gamow. 2nd ed. Prentice-Hall, 1965.