Cita APA (7a ed.)

Lassen, K. (1973). Orientation of auroral arcs and precipitation pattern of al particles. Det Danske Meteorologiske Institut.

Cita Chicago Style (17a ed.)

Lassen, Knud. Orientation of Auroral Arcs and Precipitation Pattern of Al Particles. Charlottenlund: Det Danske Meteorologiske Institut, 1973.

Cita MLA (9a ed.)

Lassen, Knud. Orientation of Auroral Arcs and Precipitation Pattern of Al Particles. Det Danske Meteorologiske Institut, 1973.