APA (7th ed.) Citation

Thunmark, S. (1931). Der See Fiolen und seine Vegetation.

Chicago Style (17th ed.) Citation

Thunmark, Sven. Der See Fiolen Und Seine Vegetation. Uppsala, 1931.

MLA (9th ed.) Citation

Thunmark, Sven. Der See Fiolen Und Seine Vegetation. 1931.

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