APA (7th ed.) Citation

International Meeting on Human Ecology Vienna, Austria, Society for Human Ecology (Vienna, Austria), Unesco, World Health Organization, & Knötig, H. (1976). Proceedings of the International Meeting on Human Ecology, Vienna, 09, 15-19, 1975. Georgi Pub. Co..

Chicago Style (17th ed.) Citation

International Meeting on Human Ecology Vienna, Austria, Austria) Society for Human Ecology (Vienna, Unesco, World Health Organization, and Helmut Knötig. Proceedings of the International Meeting on Human Ecology, Vienna, 09, 15-19, 1975. St.-Saphorin, Switzerland: Georgi Pub. Co., 1976.

MLA (9th ed.) Citation

International Meeting on Human Ecology Vienna, Austria, et al. Proceedings of the International Meeting on Human Ecology, Vienna, 09, 15-19, 1975. Georgi Pub. Co., 1976.