APA (7th ed.) Citation

Holdridge, L. R. (1979). Magnets and magnetic fields. Tropical Science Center.

Chicago Style (17th ed.) Citation

Holdridge, L. R. Magnets and Magnetic Fields. San Jose, Costa Rica: Tropical Science Center, 1979.

MLA (9th ed.) Citation

Holdridge, L. R. Magnets and Magnetic Fields. Tropical Science Center, 1979.

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