APA (7. basım) Alıntı

Illingworth, V. (1979). The Facts on the file dictionary of astronomy. Facts on File.

Chicago Style (17. basım) Atıf

Illingworth, Valerie. The Facts on the File Dictionary of Astronomy. New York: Facts on File, 1979.

MLA (9th ed.) Atıf

Illingworth, Valerie. The Facts on the File Dictionary of Astronomy. Facts on File, 1979.