A list of British birds /
compiled by a committee of the British Ornithologists' Union.

APA Citation

British Ornithologists' Union. (1883). A list of British birds. London: J. van Voorst.

MLA Citation

British Ornithologists' Union. A List of British Birds. London: J. van Voorst, 1883.

Warning: These citations may not always be complete (especially for serials).