APA (7th ed.) Citation

Watson, D. J., & Yapp, W. B. (1958). The biological productivity of Britain. Institute of Biology.

Chicago Style (17th ed.) Citation

Watson, Donald John, and W. B. Yapp. The Biological Productivity of Britain. London: Institute of Biology, 1958.

MLA (8th ed.) Citation

Watson, Donald John, and W. B. Yapp. The Biological Productivity of Britain. Institute of Biology, 1958.