APA (7th ed.) Citation

Kennerley, P., Pearson, D. J., & Small, B. E. (2010). Reed and bush warblers. C. Helm.

Chicago Style (17th ed.) Citation

Kennerley, Peter, David J. Pearson, and Brian E. Small. Reed and Bush Warblers. London: C. Helm, 2010.

MLA (9th ed.) Citation

Kennerley, Peter, et al. Reed and Bush Warblers. C. Helm, 2010.