APA način citiranja

Fernández, P., & Gutiérrez, J. M. (2008). Mortality due to snakebite envenomation in Costa Rica (1993–2006).

Čikaški stil citiranja

Fernández, Pablo, i José María Gutiérrez. Mortality Due to Snakebite Envenomation in Costa Rica (1993–2006). 2008.

MLA način citiranja

Fernández, Pablo, i José María Gutiérrez. Mortality Due to Snakebite Envenomation in Costa Rica (1993–2006). 2008.