Cita APA

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.

Citación estilo Chicago

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

Cita MLA

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