APA način citiranja

Verjans, G. M., Brinkman, B. M., Van Doornik, C. E., Kijlstra, A., & Verweij, C. L. (1994). Polymorphism of tumour necrosis factor-alpha (TNF-alpha) at position -308 in relation to ankylosing spondylitis.

Čikaški stil citiranja

Verjans, G M., B M. Brinkman, C E. Van Doornik, A. Kijlstra, i C L. Verweij. Polymorphism of Tumour Necrosis Factor-alpha (TNF-alpha) At Position -308 in Relation to Ankylosing Spondylitis. 1994.

MLA način citiranja

Verjans, G M., et al. Polymorphism of Tumour Necrosis Factor-alpha (TNF-alpha) At Position -308 in Relation to Ankylosing Spondylitis. 1994.