Cita APA

Wheeler, A., & Maitland, P. S. The scarcer freswater fishes of the British Isles I. Introduced species.

Citación estilo Chicago

Wheeler, A., y P. S. Maitland. The Scarcer Freswater Fishes of the British Isles I. Introduced Species.

Cita MLA

Wheeler, A., y P. S. Maitland. The Scarcer Freswater Fishes of the British Isles I. Introduced Species.