APA (7th ed.) Citation

Ronan, C. A. (1969). Invisible astronomy. Eyre & Spottiswoode.

Chicago Style (17th ed.) Citation

Ronan, Colin Alistair. Invisible Astronomy. London: Eyre & Spottiswoode, 1969.

MLA (9th ed.) Citation

Ronan, Colin Alistair. Invisible Astronomy. Eyre & Spottiswoode, 1969.

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