APA (7th ed.) Citation

Hognert, H., Skjeldestad, F. E., Gemzell-Danielsson, K., Heikinheimo, O., Milsom, I., Lidegaard, Ø., & Lindh, I. (2018). Ecological study on the use of hormonal contraception, abortions and births among teenagers in the Nordic countries. BMJ Open, 8(10), e022473.

Chicago Style (17th ed.) Citation

Hognert, Helena, Finn Egil Skjeldestad, Kristina Gemzell-Danielsson, Oskari Heikinheimo, Ian Milsom, Øjvind Lidegaard, and Ingela Lindh. "Ecological Study on the Use of Hormonal Contraception, Abortions and Births Among Teenagers in the Nordic Countries." BMJ Open 8, no. 10 (2018): e022473.

MLA (9th ed.) Citation

Hognert, Helena, et al. "Ecological Study on the Use of Hormonal Contraception, Abortions and Births Among Teenagers in the Nordic Countries." BMJ Open, vol. 8, no. 10, 2018, p. e022473.