APA

Stevens M. H. H., . (2009). A primer of ecology with R. New York, New York, United States: Springer.

Chicago

Stevens M Henry H, . 2009. A primer of ecology with R. New York, New York, United States: Springer.

Harvard

Stevens M. H. H., . (2009). A primer of ecology with R. New York, New York, United States: Springer.

MLA

Stevens M Henry H, . A primer of ecology with R. New York, New York, United States: Springer. 2009.