APA引文

Nordström, M. L., Cnattingius, S., & Haglund, B. (1993). Social differences in Swedish infant mortality by cause of death, 1983 to 1986.

Citação norma Chicago

Nordström, M L., S. Cnattingius, and B. Haglund. Social Differences in Swedish Infant Mortality By Cause of Death, 1983 to 1986. 1993.

MLA引文

Nordström, M L., S. Cnattingius, and B. Haglund. Social Differences in Swedish Infant Mortality By Cause of Death, 1983 to 1986. 1993.