APA citiranje

Haglund, B., & Cnattingius, S. (1990). Cigarette smoking as a risk factor for sudden infant death syndrome: A population-based study.

Citação norma Chicago

Haglund, B., and S. Cnattingius. Cigarette Smoking As a Risk Factor for Sudden Infant Death Syndrome: A Population-based Study. 1990.

MLA citiranje

Haglund, B., and S. Cnattingius. Cigarette Smoking As a Risk Factor for Sudden Infant Death Syndrome: A Population-based Study. 1990.