APA-viite (7. p.)
Hackshaw, A., & ET AL. Maternal smoking in pregnancy and birth defects: A systematic review based on 173.687 malformed cases and 11.7 million controls. https://doi.org/10.1093/humupd/dmr022
Chicago-viite (17. p.)
Hackshaw, A., ja ET AL. Maternal Smoking in Pregnancy and Birth Defects: A Systematic Review Based on 173.687 Malformed Cases and 11.7 Million Controls. https://doi.org/10.1093/humupd/dmr022.
MLA-viite (9. p.)
Hackshaw, A., ja ET AL. Maternal Smoking in Pregnancy and Birth Defects: A Systematic Review Based on 173.687 Malformed Cases and 11.7 Million Controls. https://doi.org/10.1093/humupd/dmr022.
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