APA引文

Williams, J. G., Higgins, J. P. T., & Brayne, C. E. G. (2006). Systematic review of prevalence studies of autism spectrum disorders. BMJ Group.

Citação norma Chicago

Williams, J G., J P T. Higgins, and C E G. Brayne. Systematic Review of Prevalence Studies of Autism Spectrum Disorders. BMJ Group, 2006.

MLA引文

Williams, J G., J P T. Higgins, and C E G. Brayne. Systematic Review of Prevalence Studies of Autism Spectrum Disorders. BMJ Group, 2006.

警告：這些引文格式不一定是100％准確.