APA (7th ed.) Citation

Geological Survey (U.S.) & Leavesley, G. H. (1984). Precipitation-runoff modeling system: User's manual. U.S. Dept. of the Interior.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and G. H. Leavesley. Precipitation-runoff Modeling System: User's Manual. Denver, Colo.: U.S. Dept. of the Interior, 1984.

MLA (9th ed.) Citation

Geological Survey (U.S.) and G. H. Leavesley. Precipitation-runoff Modeling System: User's Manual. U.S. Dept. of the Interior, 1984.