APA (7th ed.) Citation

Helweg, H. (1940). Et enigt Finland ((4. Tus.).). Hagerup.

Chicago Style (17th ed.) Citation

Helweg, Halvdan. Et Enigt Finland. (4. Tus.). Kobenhavn: Hagerup, 1940.

MLA (9th ed.) Citation

Helweg, Halvdan. Et Enigt Finland. (4. Tus.). Hagerup, 1940.

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