Citação norma APA

Haq, Z., Shaikh, B. T., Tran, N., Hafeez, A., & Ghaffar, A. (2019). System within systems: Challenges and opportunities for the Expanded Programme on Immunisation in Pakistan. Health Res Policy Syst.

Citação norma Chicago

Haq, Zaeem, Babar Tasneem Shaikh, Nhan Tran, Assad Hafeez, and Abdul Ghaffar. "System Within Systems: Challenges and Opportunities for the Expanded Programme On Immunisation in Pakistan." Health Res Policy Syst 2019.

Citação norma MLA

Haq, Zaeem, et al. "System Within Systems: Challenges and Opportunities for the Expanded Programme On Immunisation in Pakistan." Health Res Policy Syst 2019.

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