Cita APA (7th ed.)

LANG, K. R. (1992). Astrophysical data planets and stars. Springer-Verlag.

Cita Chicago (17th ed.)

LANG, Kenneth R. Astrophysical Data Planets and Stars. New York: Springer-Verlag, 1992.

Cita MLA (9th ed.)

LANG, Kenneth R. Astrophysical Data Planets and Stars. Springer-Verlag, 1992.