APA (7th ed.) Citation

Churchill, D., Nair, M., Stanworth, S., & Knight, M. (2019). The change in haemoglobin concentration between the first and third trimesters of pregnancy: A population study. BioMed Central.

Chicago Style (17th ed.) Citation

Churchill, D., M. Nair, S. Stanworth, and M. Knight. The Change in Haemoglobin Concentration Between the First and Third Trimesters of Pregnancy: A Population Study. BioMed Central, 2019.

MLA (9th ed.) Citation

Churchill, D., et al. The Change in Haemoglobin Concentration Between the First and Third Trimesters of Pregnancy: A Population Study. BioMed Central, 2019.