Citazione APA

Chalder, T., Hotopf, M., Unwin, C., Hull, L., Ismail, K., David, A., & Wessely, S. (2001). Prevalence of Gulf war veterans who believe they have Gulf war syndrome: Questionnaire study. BMJ.

Stile di citazione Chicago

Chalder, T., M. Hotopf, C. Unwin, L. Hull, K. Ismail, A. David, e S. Wessely. Prevalence of Gulf War Veterans Who Believe They Have Gulf War Syndrome: Questionnaire Study. BMJ, 2001.

Citazione MLA

Chalder, T., et al. Prevalence of Gulf War Veterans Who Believe They Have Gulf War Syndrome: Questionnaire Study. BMJ, 2001.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.