Citação norma APA

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.

Citação norma Chicago

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

Citação norma MLA

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

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