APA (7th ed.) Citation

Waterfield, R. L. (1938). A hundred years of astronomy / by R.L. Waterfield. Duckworth.

Chicago Style (17th ed.) Citation

Waterfield, R. L. A Hundred Years of Astronomy / by R.L. Waterfield. Duckworth, 1938.

MLA (9th ed.) Citation

Waterfield, R. L. A Hundred Years of Astronomy / by R.L. Waterfield. Duckworth, 1938.

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