Cita APA

Burnham, R., & Burnham, R. (1978). Burnham's celestial handbook: An observer's guide to the universe beyond the solar system (Rev. and enl. edition --.). New York, New York: Dover.

Citación estilo Chicago

Burnham, Robert, y Robert Burnham. Burnham's Celestial Handbook: An Observer's Guide to the Universe Beyond the Solar System. Rev. and enl. edition --. New York, New York: Dover, 1978.

Cita MLA

Burnham, Robert, y Robert Burnham. Burnham's Celestial Handbook: An Observer's Guide to the Universe Beyond the Solar System. Rev. and enl. edition --. New York, New York: Dover, 1978.