APA (7th ed.) Citation

Siirilä, S., Hautamäki, L., Kuitunen, J., & Keski-Petäjä, T. (1990). Regional well-being variations in Finland. Geographical Society of Finland.

Chicago Style (17th ed.) Citation

Siirilä, Seppo, Lauri Hautamäki, Jorma Kuitunen, and Timo Keski-Petäjä. Regional Well-being Variations in Finland. Geographical Society of Finland, 1990.

MLA (9th ed.) Citation

Siirilä, Seppo, et al. Regional Well-being Variations in Finland. Geographical Society of Finland, 1990.