APA (7th ed.) Citation

Jacobs, J. Reversals of the earth-s magnetic field. Adam Hilger Ltd.

Chicago Style (17th ed.) Citation

Jacobs, J.A. Reversals of the Earth-s Magnetic Field. Adam Hilger Ltd.

MLA (8th ed.) Citation

Jacobs, J.A. Reversals of the Earth-s Magnetic Field. Adam Hilger Ltd.

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