Ebling, F. J. G., & Heath, G. W. (1972). The Future of man: Proceedings of a Symposium held at the Royal Geographical Society London, on 1 April, 1971. Academic Press for the Institute of Biology.
Цитирование в стиле Чикаго (17-е изд.)Ebling, F. J. G., и G. W. Heath. The Future of Man: Proceedings of a Symposium Held at the Royal Geographical Society London, on 1 April, 1971. London, ; New York,: Academic Press for the Institute of Biology, 1972.
Цитирование MLA (8-е изд.)Ebling, F. J. G., и G. W. Heath. The Future of Man: Proceedings of a Symposium Held at the Royal Geographical Society London, on 1 April, 1971. Academic Press for the Institute of Biology, 1972.
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