APA način citiranja

Haffer, J. H., & Borrero, J. I. (1965). On birds from northern Colombia.

Čikaški stil citiranja

Haffer, Jürgen H., i José I. Borrero. On Birds From Northern Colombia. 1965.

MLA način citiranja

Haffer, Jürgen H., i José I. Borrero. On Birds From Northern Colombia. 1965.