APA (7th ed.) Citation

International Hydrological Programme. Working Group--Project A 2.9, Unesco, & Geiger, W. F. (1987). Manual on drainage in urbanized areas: A contribution to the International Hydrological Programme. Unesco.

Chicago Style (17th ed.) Citation

International Hydrological Programme. Working Group--Project A 2.9, Unesco, and Wolfgang F. Geiger. Manual on Drainage in Urbanized Areas: A Contribution to the International Hydrological Programme. Paris: Unesco, 1987.

MLA (9th ed.) Citation

International Hydrological Programme. Working Group--Project A 2.9, et al. Manual on Drainage in Urbanized Areas: A Contribution to the International Hydrological Programme. Unesco, 1987.