APA (7th ed.) Citation

Lassen, K. (1963). Geographical distribution and temporal variations of polar aurorae. Danske Meteorologiske Institut.

Chicago Style (17th ed.) Citation

Lassen, Knud. Geographical Distribution and Temporal Variations of Polar Aurorae. Charlottenlund: Danske Meteorologiske Institut, 1963.

MLA (8th ed.) Citation

Lassen, Knud. Geographical Distribution and Temporal Variations of Polar Aurorae. Danske Meteorologiske Institut, 1963.

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