Cita APA

Schulz, E., Koelzer, V., & Mahmood, K. (1973). Floods and droughts. Fort Collins: Water Resources.

Citación estilo Chicago

Schulz, E., V. Koelzer, and Khail Mahmood. Floods and Droughts. Fort Collins: Water Resources, 1973.

Cita MLA

Schulz, E., V. Koelzer, and Khail Mahmood. Floods and Droughts. Fort Collins: Water Resources, 1973.