Style de citation APA (7e éd.)

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

Style de citation Chicago (17e éd.)

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

Style de citation MLA (9e éd.)

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