APA
Arrieta I., Penagarikano O. & Telez M. (2007). Fragile sites : new discoveries and changing perspectives. New York: Nova publication.
Chicago
Arrieta Isabel, Penagarikano Olga and Telez Mercedes. 2007. Fragile sites : new discoveries and changing perspectives. New York: Nova publication.
Harvard
Arrieta I., Penagarikano O. and Telez M. (2007). Fragile sites : new discoveries and changing perspectives. New York: Nova publication.
MLA
Arrieta Isabel, Penagarikano Olga and Telez Mercedes. Fragile sites : new discoveries and changing perspectives. New York: Nova publication. 2007.