APA citiranje

A. Bussing, W. (2008). A new species of poeciliid fish, Poeciliopsis santaelena, from Peninsula Santa Elena, Area de Conservación Guanacaste, Costa Rica.

Citación estilo Chicago

A. Bussing, Wlliam. A New Species of Poeciliid Fish, Poeciliopsis Santaelena, From Peninsula Santa Elena, Area De Conservación Guanacaste, Costa Rica. 2008.

MLA citiranje

A. Bussing, Wlliam. A New Species of Poeciliid Fish, Poeciliopsis Santaelena, From Peninsula Santa Elena, Area De Conservación Guanacaste, Costa Rica. 2008.