APA način citiranja

Guinto, E. R., Caccia, S., Rose, T., Fütterer, K., Waksman, G., & Di Cera, E. (1999). Unexpected crucial role of residue 225 in serine proteases. The National Academy of Sciences.

Čikaški stil citiranja

Guinto, Enriqueta R., Sonia Caccia, Thierry Rose, Klaus Fütterer, Gabriel Waksman, i Enrico Di Cera. Unexpected Crucial Role of Residue 225 in Serine Proteases. The National Academy of Sciences, 1999.

MLA način citiranja

Guinto, Enriqueta R., et al. Unexpected Crucial Role of Residue 225 in Serine Proteases. The National Academy of Sciences, 1999.