APA način citiranja

Costas, L., Bayas, J. M., Serrano, B., Lafuente, S., & Muñoz, M. (2012). Motivations for participating in a clinical trial on an avian influenza vaccine. BioMed Central.

Čikaški stil citiranja

Costas, Laura, José M. Bayas, Beatriz Serrano, Sarah Lafuente, i M-Amparo Muñoz. Motivations for Participating in a Clinical Trial On an Avian Influenza Vaccine. BioMed Central, 2012.

MLA način citiranja

Costas, Laura, et al. Motivations for Participating in a Clinical Trial On an Avian Influenza Vaccine. BioMed Central, 2012.