Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Ponta, G. M. L., & Onac, B. P. (2019). Cave and Karst Systems of Romania (1st ed. 2019.). Springer International Publishing : Imprint: Springer. https://doi.org/10.1007/978-3-319-90747-5

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Gheorghe M. L. Ponta, και Bogdan P. Onac. Cave and Karst Systems of Romania. 1st ed. 2019. Cham: Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-319-90747-5.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Cave and Karst Systems of Romania. 1st ed. 2019. Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-319-90747-5.