APA (7th ed.) Citation

Harang, L., & Tønsberg, E. (1947). The auroral observatory at Tromsø. Griegs.

Chicago Style (17th ed.) Citation

Harang, Leiv, and Einar Tønsberg. The Auroral Observatory at Tromsø. Bergen: Griegs, 1947.

MLA (9th ed.) Citation

Harang, Leiv, and Einar Tønsberg. The Auroral Observatory at Tromsø. Griegs, 1947.

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