Citação norma APA

Gerlinger, C., Trussell, J., Mellinger, U., Merz, M., Marr, J., Bannemerschult, R., . . . Endrikat, J. (2014). Different Pearl Indices in studies of hormonal contraceptives in the United States: Impact of study population.

Citação norma Chicago

Gerlinger, Christoph, James Trussell, Uwe Mellinger, Martin Merz, Joachim Marr, Ralf Bannemerschult, Ilka Schellschmidt, and Jan Endrikat. Different Pearl Indices in Studies of Hormonal Contraceptives in the United States: Impact of Study Population. 2014.

Citação norma MLA

Gerlinger, Christoph, et al. Different Pearl Indices in Studies of Hormonal Contraceptives in the United States: Impact of Study Population. 2014.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.