APA (7th ed.) Citation

Gray, J. E., & Gray, G. R. (1859). Catalogue of the mammalia and birds of New Guinea, in the collection of the British Museum. [British Museum].

Chicago Style (17th ed.) Citation

Gray, John Edward, and George Robert Gray. Catalogue of the Mammalia and Birds of New Guinea, in the Collection of the British Museum. London: [British Museum], 1859.

MLA (9th ed.) Citation

Gray, John Edward, and George Robert Gray. Catalogue of the Mammalia and Birds of New Guinea, in the Collection of the British Museum. [British Museum], 1859.