Cita APA

SpringerLink (Online service), Fet, V., & Popov, A. (2007). Biogeography and Ecology of Bulgaria (1st ed. 2007.). Dordrecht: Springer Netherlands : Imprint: Springer.

Citación estilo Chicago

SpringerLink (Online service), Victor Fet, y Alexi Popov. Biogeography and Ecology of Bulgaria. 1st ed. 2007. Dordrecht: Springer Netherlands : Imprint: Springer, 2007.

Cita MLA

SpringerLink (Online service), Victor Fet, y Alexi Popov. Biogeography and Ecology of Bulgaria. 1st ed. 2007. Dordrecht: Springer Netherlands : Imprint: Springer, 2007.