Cita APA (7a ed.)

Bailey, R. G., & Ropes, L. (1998). Ecoregions: The ecosystems geography of the oceans and continents. Springer.

Cita Chicago Style (17a ed.)

Bailey, Robert G., y Lev Ropes. Ecoregions: The Ecosystems Geography of the Oceans and Continents. New York: Springer, 1998.

Cita MLA (8a ed.)

Bailey, Robert G., y Lev Ropes. Ecoregions: The Ecosystems Geography of the Oceans and Continents. Springer, 1998.