Cita APA

Hellawell, J. M. The food of the grayling Thymallus thymallus (L.) of the River Lugg, Herefordshire.

Citación estilo Chicago

Hellawell, J. M. The Food of the Grayling Thymallus Thymallus (L.) of the River Lugg, Herefordshire.

Cita MLA

Hellawell, J. M. The Food of the Grayling Thymallus Thymallus (L.) of the River Lugg, Herefordshire.