APA (7th ed.) Citation

Habitat : United Nations Conference on Human Settlement, Koenigsberger, O. H., Groak, S., & Lichfield, N. (1981). A Review of land policies. Pergamon.

Chicago Style (17th ed.) Citation

Habitat : United Nations Conference on Human Settlement, O. H. Koenigsberger, S. Groak, and Nathaniel Lichfield. A Review of Land Policies. Oxford: Pergamon, 1981.

MLA (8th ed.) Citation

Habitat : United Nations Conference on Human Settlement, et al. A Review of Land Policies. Pergamon, 1981.