APA (7th ed.) Citation

Primdahl, F. (1970). A ferrite core fluxgate magnetometer.

Chicago Style (17th ed.) Citation

Primdahl, F. A Ferrite Core Fluxgate Magnetometer. 1970.

MLA (9th ed.) Citation

Primdahl, F. A Ferrite Core Fluxgate Magnetometer. 1970.

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