Cita APA

(1993). Oxford illustrated encyclopedia: Vol.8 - The universe. New York: Oxford Univ. Press.

Chicago Style Citation

Oxford Illustrated Encyclopedia: Vol.8 - The Universe. New York: Oxford Univ. Press, 1993.

Cita MLA

Oxford Illustrated Encyclopedia: Vol.8 - The Universe. New York: Oxford Univ. Press, 1993.

Atenció: Aquestes cites poden no estar 100% correctes.