APA-viite (7. p.)

ebrary, Inc, Agustí, J., Rook, L., & Andrews, P. (1999). The evolution of Neogene Terrestrial Ecosystems in Europe. Cambridge University Press.

Chicago-viite (17. p.)

ebrary, Inc, Jordi Agustí, Lorenzo Rook, ja Peter Andrews. The Evolution of Neogene Terrestrial Ecosystems in Europe. Cambridge ; New York: Cambridge University Press, 1999.

MLA-viite (9. p.)

ebrary, Inc, et al. The Evolution of Neogene Terrestrial Ecosystems in Europe. Cambridge University Press, 1999.