Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Martí, J., & Planagumà, L. (2017). La Garrotxa Volcanic Field of Northeast Spain: Case Study of Sustainable Volcanic Landscape Management. Springer International Publishing : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Joan Martí, και Llorenç Planagumà. La Garrotxa Volcanic Field of Northeast Spain: Case Study of Sustainable Volcanic Landscape Management. Cham: Springer International Publishing : Imprint: Springer, 2017.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. La Garrotxa Volcanic Field of Northeast Spain: Case Study of Sustainable Volcanic Landscape Management. Springer International Publishing : Imprint: Springer, 2017.