Cita APA

Valerie Illingworth. (1979). Macmillan dictionary of Astronomy. Macmillan.

Chicago Edition Citation

Valerie Illingworth. Macmillan Dictionary of Astronomy. London: Macmillan, 1979.

Cita MLA

Valerie Illingworth. Macmillan Dictionary of Astronomy. Macmillan, 1979.