APA citiranje

Kjellin, L., Engberg, M., Høyer, G., Kaltiala-Heino, R., & Sigurjónsdóttir, M. (2007). How can variations in civil commitment rates within and between countries be understood? BioMed Central.

Citação norma Chicago

Kjellin, Lars, Marianne Engberg, Georg Høyer, Riittakerttu Kaltiala-Heino, and Maria Sigurjónsdóttir. How Can Variations in Civil Commitment Rates Within and between Countries Be Understood? BioMed Central, 2007.

MLA citiranje

Kjellin, Lars, et al. How Can Variations in Civil Commitment Rates Within and between Countries Be Understood? BioMed Central, 2007.