British Museum (Natural History). Department of Zoology & Ogilvie-Grant, W. R. (1921). Guide to the Gallery of Birds in the Department of Zoology, British Museum (Natural History) (2nd ed.).
Chicago Style (17th ed.) CitationBritish Museum (Natural History). Department of Zoology and William Robert Ogilvie-Grant. Guide to the Gallery of Birds in the Department of Zoology, British Museum (Natural History). 2nd ed. 1921.
MLA (9th ed.) CitationBritish Museum (Natural History). Department of Zoology and William Robert Ogilvie-Grant. Guide to the Gallery of Birds in the Department of Zoology, British Museum (Natural History). 2nd ed. 1921.
Warning: These citations may not always be 100% accurate.