APA (7th ed.) Citation

Skou Nilsen, L., Hansen, V., & Olstad, R. (2004). Improvement in mental health over time in Northern Norway. Social Psychiatry and Psychiatric Epidemiology, 39(4), 273.

Chicago Style (17th ed.) Citation

Skou Nilsen, Lene, Vidje Hansen, and Reidun Olstad. "Improvement in Mental Health over Time in Northern Norway." Social Psychiatry and Psychiatric Epidemiology 39, no. 4 (2004): 273.

MLA (9th ed.) Citation

Skou Nilsen, Lene, et al. "Improvement in Mental Health over Time in Northern Norway." Social Psychiatry and Psychiatric Epidemiology, vol. 39, no. 4, 2004, p. 273.

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