Style de citation APA (7e éd.)

Ahmer, S., Yousafzai, A. W., Bhutto, N., Alam, S., Sarangzai, A. K., & Iqbal, A. (2008). Bullying of medical students in Pakistan: A cross-sectional questionnaire survey. Public Library of Science (PLoS).

Style de citation Chicago (17e éd.)

Ahmer, Syed, Abdul Wahab Yousafzai, Naila Bhutto, Sumira Alam, Amanullah Khan Sarangzai, et Arshad Iqbal. Bullying of Medical Students in Pakistan: A Cross-sectional Questionnaire Survey. Public Library of Science (PLoS), 2008.

Style de citation MLA (8e éd.)

Ahmer, Syed, et al. Bullying of Medical Students in Pakistan: A Cross-sectional Questionnaire Survey. Public Library of Science (PLoS), 2008.