Institute of Biology, Royal Geographical Society (London), & Taylor, L. R. (1970). The Optimum population for Britain: Proceedings of a symposium held at the Royal Geographical Society, London, on 25 and 26 September, 1969. Institute of Biology by Academic Press.
Chicago Style (17. basım) AtıfInstitute of Biology, Royal Geographical Society (London), ve Lionel Ray Taylor. The Optimum Population for Britain: Proceedings of a Symposium Held at the Royal Geographical Society, London, on 25 and 26 September, 1969. London: Institute of Biology by Academic Press, 1970.
MLA (9th ed.) AtıfInstitute of Biology, et al. The Optimum Population for Britain: Proceedings of a Symposium Held at the Royal Geographical Society, London, on 25 and 26 September, 1969. Institute of Biology by Academic Press, 1970.