APA Citation

Costa, J. L., Almeida, P. R., & Assis, C. A. On the food of the european eel, Anguilla anguilla L., in the upper zone of the Tagus estuary, Portugal.

Chicago Style Citation

Costa, J. L., P. R. Almeida, and C. A. Assis. On the Food of the European Eel, Anguilla Anguilla L., in the Upper Zone of the Tagus Estuary, Portugal.

MLA Citation

Costa, J. L., P. R. Almeida, and C. A. Assis. On the Food of the European Eel, Anguilla Anguilla L., in the Upper Zone of the Tagus Estuary, Portugal.

Warning: These citations may not always be 100% accurate.