APA (7th ed.) Citation

Gray, G. W. (1951). The ultracentrifuge (Reprinted.). Freeman.

Chicago Style (17th ed.) Citation

Gray, George W. The Ultracentrifuge. Reprinted. San Francisco, Calif: Freeman, 1951.

MLA (9th ed.) Citation

Gray, George W. The Ultracentrifuge. Reprinted. Freeman, 1951.

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