APA citiranje

Boonen, A., van der Heijde, D., Landewe, R., Spoorenberg, A., Schouten, H., Rutten-Van, M., . . . van der Linden, S. (2002). Work status and productivity costs due to ankylosing spondylitis: Comparison of three European countries.

Citação norma Chicago

Boonen, A., et al. Work Status and Productivity Costs Due to Ankylosing Spondylitis: Comparison of Three European Countries. 2002.

MLA citiranje

Boonen, A., et al. Work Status and Productivity Costs Due to Ankylosing Spondylitis: Comparison of Three European Countries. 2002.