Citação norma APA

Helldin, J. O., & Petrovan, S. O. (2019). Effectiveness of small road tunnels and fences in reducing amphibian roadkill and barrier effects at retrofitted roads in Sweden. PeerJ.

Citação norma Chicago

Helldin, Jan Olof, and Silviu O. Petrovan. "Effectiveness of Small Road Tunnels and Fences in Reducing Amphibian Roadkill and Barrier Effects At Retrofitted Roads in Sweden." PeerJ 2019.

Citação norma MLA

Helldin, Jan Olof, and Silviu O. Petrovan. "Effectiveness of Small Road Tunnels and Fences in Reducing Amphibian Roadkill and Barrier Effects At Retrofitted Roads in Sweden." PeerJ 2019.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.