APA način citiranja

Campbell, J. A., & Smith, E. N. (2000). A new species of arboreal pitviper from the Atlantic versant of northern Central America.

Čikaški stil citiranja

Campbell, Jonathan A., i Eric N. Smith. A New Species of Arboreal Pitviper From the Atlantic Versant of Northern Central America. 2000.

MLA način citiranja

Campbell, Jonathan A., i Eric N. Smith. A New Species of Arboreal Pitviper From the Atlantic Versant of Northern Central America. 2000.