APA (7th ed.) Citation

Hellsten, S., Riihimäki, J., Alasaarela, E., & Keränen, R. (1997). Experimental revegetation of regulated lake Ontojärvi in northern Finland.

Chicago Style (17th ed.) Citation

Hellsten, Seppo, Juha Riihimäki, Erkki Alasaarela, and R. Keränen. Experimental Revegetation of Regulated Lake Ontojärvi in Northern Finland. 1997.

MLA (8th ed.) Citation

Hellsten, Seppo, et al. Experimental Revegetation of Regulated Lake Ontojärvi in Northern Finland. 1997.