Citação norma APA

van der Helm, J. J., Koekenbier, R. H., van Rooijen, M. S., Schim van der Loeff, M. F., & de Vries, H. J. (2018). What Is the Optimal Time to Retest Patients With a Urogenital Chlamydia Infection? A Randomized Controlled Trial. Sex Transm Dis.

Citação norma Chicago

van der Helm, Jannie J., Rik H. Koekenbier, Martijn S. van Rooijen, Maarten F. Schim van der Loeff, and Henry J.C de Vries. "What Is the Optimal Time to Retest Patients With a Urogenital Chlamydia Infection? A Randomized Controlled Trial." Sex Transm Dis 2018.

Citação norma MLA

van der Helm, Jannie J., et al. "What Is the Optimal Time to Retest Patients With a Urogenital Chlamydia Infection? A Randomized Controlled Trial." Sex Transm Dis 2018.

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