APA (7th ed.) Citation

Parr, N. L., & Vaughan, E. J. (1960). Zone refining and allied techniques. George Newnes Limited.

Chicago Style (17th ed.) Citation

Parr, N. L., and E. J. Vaughan. Zone Refining and Allied Techniques. London: George Newnes Limited, 1960.

MLA (9th ed.) Citation

Parr, N. L., and E. J. Vaughan. Zone Refining and Allied Techniques. George Newnes Limited, 1960.