Cita APA (7a ed.)

Lauridsen, E. K. (1974). Notes on the optics of geomagnetic recording systems. Det Danske Meteorologiske Institut.

Cita Chicago Style (17a ed.)

Lauridsen, E. K. Notes on the Optics of Geomagnetic Recording Systems. Kobenhavn: Det Danske Meteorologiske Institut, 1974.

Cita MLA (9a ed.)

Lauridsen, E. K. Notes on the Optics of Geomagnetic Recording Systems. Det Danske Meteorologiske Institut, 1974.