APA (7th ed.) Citation

Hellén, W. (1926). Beiträge zur Kenntnis der Ichneumoniden Finlands. (Simelius).

Chicago Style (17th ed.) Citation

Hellén, Wolter. Beiträge Zur Kenntnis Der Ichneumoniden Finlands. Helsingfors: (Simelius), 1926.

MLA (9th ed.) Citation

Hellén, Wolter. Beiträge Zur Kenntnis Der Ichneumoniden Finlands. (Simelius), 1926.

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