APA način citiranja

Şekercioğlu, Ç. H., Daily, G. C., & Ehrlich, P. R. (2004). Ecosystem consequences of bird declines. National Academy of Sciences.

Čikaški stil citiranja

Şekercioğlu, Çağan H., Gretchen C. Daily, i Paul R. Ehrlich. Ecosystem Consequences of Bird Declines. National Academy of Sciences, 2004.

MLA način citiranja

Şekercioğlu, Çağan H., Gretchen C. Daily, i Paul R. Ehrlich. Ecosystem Consequences of Bird Declines. National Academy of Sciences, 2004.