APA (7th ed.) Citation

Crowther, J. G. (1940). British scientists of the nineteenth century / by J.G. Crowther. Penguin Books.

Chicago Style (17th ed.) Citation

Crowther, J. G. British Scientists of the Nineteenth Century / by J.G. Crowther. Penguin Books, 1940.

MLA (9th ed.) Citation

Crowther, J. G. British Scientists of the Nineteenth Century / by J.G. Crowther. Penguin Books, 1940.

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