Cita APA (7th ed.)
Grice, N. (2002). Touch the universe: A NASA braille book of astronomy. Joseph Henry Press.
Cita Chicago (17th ed.)
Grice, Noreen. Touch the Universe: A NASA Braille Book of Astronomy. Washington, District of Columbia: Joseph Henry Press, 2002.
Cita MLA (9th ed.)
Grice, Noreen. Touch the Universe: A NASA Braille Book of Astronomy. Joseph Henry Press, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.