APA (7th ed.) Citation

Geological Survey (U.S.). (1993). Tyonek (C-1) NE quadrangle, [Alaska]--Matanuska--Susitna Borough, 1979: 1:25 000-scale series (topographic) (Rev. 1993.). The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.). Tyonek (C-1) NE Quadrangle, [Alaska]--Matanuska--Susitna Borough, 1979: 1:25 000-scale Series (topographic). Rev. 1993. Reston, Va.: The Survey, 1993.

MLA (9th ed.) Citation

Geological Survey (U.S.). Tyonek (C-1) NE Quadrangle, [Alaska]--Matanuska--Susitna Borough, 1979: 1:25 000-scale Series (topographic). Rev. 1993. The Survey, 1993.