APA (7th ed.) Citation

Levänen, S. Lufttemperaturens frekvens i Helsingfors åren 1882—91. Geographical Society of Finland.

Chicago Style (17th ed.) Citation

Levänen, S. Lufttemperaturens Frekvens I Helsingfors åren 1882—91. Geographical Society of Finland.

MLA (9th ed.) Citation

Levänen, S. Lufttemperaturens Frekvens I Helsingfors åren 1882—91. Geographical Society of Finland.

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