APA (7th ed.) Citation

Anderson, G., Autier, P., Beral, V., Bosland, M., Fernández, E., Haslam, S., . . . Berthiller, J. (2007). Combined estrogen-progestogen contraceptives.

Chicago Style (17th ed.) Citation

Anderson, G., et al. Combined Estrogen-progestogen Contraceptives. 2007.

MLA (9th ed.) Citation

Anderson, G., et al. Combined Estrogen-progestogen Contraceptives. 2007.

Warning: These citations may not always be 100% accurate.