APA (7th ed.) Citation

Spreadbury, F. G. (1949). Permanent magnets. Pitman.

Chicago Style (17th ed.) Citation

Spreadbury, F. G. Permanent Magnets. London: Pitman, 1949.

MLA (9th ed.) Citation

Spreadbury, F. G. Permanent Magnets. Pitman, 1949.

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