APA (7th ed.) Citation

Illingworth, V. (1985). Macmillan dictionary of astronomy. Macmillan.

Chicago Style (17th ed.) Citation

Illingworth, Valerie. Macmillan Dictionary of Astronomy. London: Macmillan, 1985.

MLA (9th ed.) Citation

Illingworth, Valerie. Macmillan Dictionary of Astronomy. Macmillan, 1985.

Warning: These citations may not always be 100% accurate.