APA (7th ed.) Citation

International Hydrological Programme, Unesco, & McPherson, M. B. (1977). Research on urban hydrology: A contribution to the International Hydrological Programme. Unesco.

Chicago Style (17th ed.) Citation

International Hydrological Programme, Unesco, and M. B. McPherson. Research on Urban Hydrology: A Contribution to the International Hydrological Programme. Paris: Unesco, 1977.

MLA (9th ed.) Citation

International Hydrological Programme, et al. Research on Urban Hydrology: A Contribution to the International Hydrological Programme. Unesco, 1977.