APA (7th ed.) Citation

British Museum (Natural History). Department of Zoology & Gray, J. E. Catalogue of the specimens of mammalia in the collection of the British Museum.

Chicago Style (17th ed.) Citation

British Museum (Natural History). Department of Zoology and John Edward Gray. Catalogue of the Specimens of Mammalia in the Collection of the British Museum.

MLA (9th ed.) Citation

British Museum (Natural History). Department of Zoology and John Edward Gray. Catalogue of the Specimens of Mammalia in the Collection of the British Museum.