APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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