APA (7th ed.) Citation

Gripenberg, B. (1908). Svarta sonetter. Helios.

Chicago Style (17th ed.) Citation

Gripenberg, Bertel. Svarta Sonetter. Helsingfors: Helios, 1908.

MLA (9th ed.) Citation

Gripenberg, Bertel. Svarta Sonetter. Helios, 1908.

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