APA (7th ed.) Citation

Cropper, W. H. (1970). The quantum physicists and an introduction to their physics / by W.H. Cropper. O.U.P..

Chicago Style (17th ed.) Citation

Cropper, W. H. The Quantum Physicists and an Introduction to Their Physics / by W.H. Cropper. O.U.P., 1970.

MLA (9th ed.) Citation

Cropper, W. H. The Quantum Physicists and an Introduction to Their Physics / by W.H. Cropper. O.U.P., 1970.

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