Friedmann, H. Birds collected by the national geographic society's expeditions to Northern Brazil and Southern Venezuela.
Chicago Style (17th ed.) CitationFriedmann, Herbert. Birds Collected by the National Geographic Society's Expeditions to Northern Brazil and Southern Venezuela.
MLA (9th ed.) CitationFriedmann, Herbert. Birds Collected by the National Geographic Society's Expeditions to Northern Brazil and Southern Venezuela.
Warning: These citations may not always be 100% accurate.