APA način citiranja

Gudmundsdóttir, K. B., Kristinsson, J., Sigurdarson, S., Eiríksson, T., & Jóhannesson, T. (2008). Glutathione peroxidase (GPX) activity in blood of ewes on farms in different scrapie categories in Iceland. BioMed Central.

Čikaški stil citiranja

Gudmundsdóttir, Kristín B., Jakob Kristinsson, Sigurdur Sigurdarson, Tryggvi Eiríksson, i Torkell Jóhannesson. Glutathione Peroxidase (GPX) Activity in Blood of Ewes On Farms in Different Scrapie Categories in Iceland. BioMed Central, 2008.

MLA način citiranja

Gudmundsdóttir, Kristín B., et al. Glutathione Peroxidase (GPX) Activity in Blood of Ewes On Farms in Different Scrapie Categories in Iceland. BioMed Central, 2008.