Cita APA

McDonald, M. E. (1988). Key to acanthocephala reported in waterfowl. Washington, D. C.: Fish and Wildlife Service.

Citación estilo Chicago

McDonald, Malcolm E. Key to Acanthocephala Reported in Waterfowl. Washington, D. C.: Fish and Wildlife Service, 1988.

Cita MLA

McDonald, Malcolm E. Key to Acanthocephala Reported in Waterfowl. Washington, D. C.: Fish and Wildlife Service, 1988.