McDonald, M. E. (1988). Key to acanthocephala reported in waterfowl. Washington, D. C.: Fish and Wildlife Service.
Chicago Style CitationMcDonald, Malcolm E. Key to Acanthocephala Reported in Waterfowl. Washington, D. C.: Fish and Wildlife Service, 1988.
MLA CitationMcDonald, Malcolm E. Key to Acanthocephala Reported in Waterfowl. Washington, D. C.: Fish and Wildlife Service, 1988.
Warning: These citations may not always be 100% accurate.