Style de citation APA

Harper, C. C., Speidel, J. J., Drey, E. A., Trussell, J., Blum, M., & Darney, P. D. (2012). Copper Intrauterine Device for Emergency Contraception: Clinical Practice Among Contraceptive Providers.

Style de citation Chicago

Harper, Cynthia C., J. Joseph Speidel, Eleanor A. Drey, James Trussell, Maya Blum, et Philip D. Darney. Copper Intrauterine Device for Emergency Contraception: Clinical Practice Among Contraceptive Providers. 2012.

Style de citation MLA

Harper, Cynthia C., et al. Copper Intrauterine Device for Emergency Contraception: Clinical Practice Among Contraceptive Providers. 2012.

Attention : ces citations peuvent ne pas être correctes à 100%.