APA (7th ed.) Citation

Batten, L. A. (1990). Red data birds in Britain: Action for rare, threatened and important species. Poyser.

Chicago Style (17th ed.) Citation

Batten, L. A. Red Data Birds in Britain: Action for Rare, Threatened and Important Species. London: Poyser, 1990.

MLA (9th ed.) Citation

Batten, L. A. Red Data Birds in Britain: Action for Rare, Threatened and Important Species. Poyser, 1990.