APA (7th ed.) Citation

Freundl, G., Fehring, R. J., Frank-Herrmann, P., & Gnoth, C. (2019). Study of contraceptive mobile app fails to provide convincing findings. Contraception, 99(5), . https://doi.org/10.1016/j.contraception.2018.07.141

Chicago Style (17th ed.) Citation

Freundl, Günter, R. J. Fehring, Petra Frank-Herrmann, and Ch Gnoth. "Study of Contraceptive Mobile App Fails to Provide Convincing Findings." Contraception 99, no. 5 (2019). https://doi.org/10.1016/j.contraception.2018.07.141.

MLA (9th ed.) Citation

Freundl, Günter, et al. "Study of Contraceptive Mobile App Fails to Provide Convincing Findings." Contraception, vol. 99, no. 5, 2019, https://doi.org/10.1016/j.contraception.2018.07.141.