APA (7th ed.) Citation

Ferguson-Lees, J., Castell. Robert, & Leech, D. (2011). A field guide to monitoring nests. British Trust for Ornithology.

Chicago Style (17th ed.) Citation

Ferguson-Lees, James, Castell. Robert, and David Leech. A Field Guide to Monitoring Nests. Norfolk: British Trust for Ornithology, 2011.

MLA (9th ed.) Citation

Ferguson-Lees, James, et al. A Field Guide to Monitoring Nests. British Trust for Ornithology, 2011.