APA (7th ed.) Citation

Kelly, R. B. T. (1900). [Mountain and moorland birds]. Penguin Books.

Chicago Style (17th ed.) Citation

Kelly, Richard Barrett Talbot. [Mountain and Moorland Birds]. West Drayton, Middlesex: Penguin Books, 1900.

MLA (9th ed.) Citation

Kelly, Richard Barrett Talbot. [Mountain and Moorland Birds]. Penguin Books, 1900.