APA (7th ed.) Citation

Spreadbury, F. (1949). Permanent magnets. Sir Isaac Pitman and Sons.

Chicago Style (17th ed.) Citation

Spreadbury, F.G. Permanent Magnets. London: Sir Isaac Pitman and Sons, 1949.

MLA (9th ed.) Citation

Spreadbury, F.G. Permanent Magnets. Sir Isaac Pitman and Sons, 1949.

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