APA-Zitierstil (7. Ausg.)

(1977). Hydrologic unit map 1974 State of Mississippi (Compiled in 1971. Ed. of 1972.). U.S. Geological Survey.

Chicago-Zitierstil (17. Ausg.)

Hydrologic Unit Map 1974 State of Mississippi. Compiled in 1971. Ed. of 1972. Reston, Virginia: U.S. Geological Survey, 1977.

MLA-Zitierstil (9. Ausg.)

Hydrologic Unit Map 1974 State of Mississippi. Compiled in 1971. Ed. of 1972. U.S. Geological Survey, 1977.