APA način citiranja

Krivan, H. C., & Wilkins, T. D. (1987). Purification of Clostridium difficile toxin A by affinity chromatography on immobilized thyroglobulin.

Čikaški stil citiranja

Krivan, H C., i T D. Wilkins. Purification of Clostridium Difficile Toxin A By Affinity Chromatography On Immobilized Thyroglobulin. 1987.

MLA način citiranja

Krivan, H C., i T D. Wilkins. Purification of Clostridium Difficile Toxin A By Affinity Chromatography On Immobilized Thyroglobulin. 1987.