Barnard, C. J., & Thompson, D. B. A. (1985). Gulls and Plovers: The Ecology and Behaviour of Mixed~Species Feeding Groups. Springer Netherlands.
Chicago Style (17th ed.) CitationBarnard, C. J., and D. B. A. Thompson. Gulls and Plovers: The Ecology and Behaviour of Mixed~Species Feeding Groups. Dordrecht: Springer Netherlands, 1985.
MLA (9th ed.) CitationBarnard, C. J., and D. B. A. Thompson. Gulls and Plovers: The Ecology and Behaviour of Mixed~Species Feeding Groups. Springer Netherlands, 1985.
Warning: These citations may not always be 100% accurate.