APA ציטוט

Sibley, W. A., Bamford, C. R., Clark, K., Smith, M. S., & Laguna, J. F. (1991). A prospective study of physical trauma and multiple sclerosis.

Citação norma Chicago

Sibley, W A., C R. Bamford, K. Clark, M S. Smith, and J F. Laguna. A Prospective Study of Physical Trauma and Multiple Sclerosis. 1991.

ציטוט MLA

Sibley, W A., et al. A Prospective Study of Physical Trauma and Multiple Sclerosis. 1991.