APA (7th ed.) Citation

Hämet-Ahti, L. (1967). Tripleurospermum, compositae, in the northern parts of Scandinavia, Finland and Russia. Soc. pro Fauna et Flora Fennica.

Chicago Style (17th ed.) Citation

Hämet-Ahti, Leena. Tripleurospermum, Compositae, in the Northern Parts of Scandinavia, Finland and Russia. Helsinki: Soc. pro Fauna et Flora Fennica, 1967.

MLA (9th ed.) Citation

Hämet-Ahti, Leena. Tripleurospermum, Compositae, in the Northern Parts of Scandinavia, Finland and Russia. Soc. pro Fauna et Flora Fennica, 1967.