APA (7th ed.) Citation

Bonnor, W. (1965). The mystery of the expanding universe. Eyre & Spottiswood.

Chicago Style (17th ed.) Citation

Bonnor, William. The Mystery of the Expanding Universe. London: Eyre & Spottiswood, 1965.

MLA (9th ed.) Citation

Bonnor, William. The Mystery of the Expanding Universe. Eyre & Spottiswood, 1965.

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