APA (7th ed.) Citation

Singh, V. P., & Frevert, D. K. (2006). Watershed models. Taylor & Francis.

Chicago Style (17th ed.) Citation

Singh, V. P., and Donald K. Frevert. Watershed Models. Boca Raton, Fla.: Taylor & Francis, 2006.

MLA (9th ed.) Citation

Singh, V. P., and Donald K. Frevert. Watershed Models. Taylor & Francis, 2006.