APA (7th ed.) Citation

Geological Survey (U.S.). (1992). Big Delta (D-6) NW quadrangle, Alaska--Fairbanks North Star borough: 1:25,000-scale series (topographic). The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.). Big Delta (D-6) NW Quadrangle, Alaska--Fairbanks North Star Borough: 1:25,000-scale Series (topographic). Reston, Va.: The Survey, 1992.

MLA (9th ed.) Citation

Geological Survey (U.S.). Big Delta (D-6) NW Quadrangle, Alaska--Fairbanks North Star Borough: 1:25,000-scale Series (topographic). The Survey, 1992.