APA (7th ed.) Citation

James, R. W. (1948). The optical principles of the diffraction of X-rays / by R.W. James. Bell.

Chicago Style (17th ed.) Citation

James, R. W. The Optical Principles of the Diffraction of X-rays / by R.W. James. Bell, 1948.

MLA (9th ed.) Citation

James, R. W. The Optical Principles of the Diffraction of X-rays / by R.W. James. Bell, 1948.

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