APA (7th ed.) Citation

Earth Science Information Center (U.S.). (1991). 1: 100,000-scale DLG data, hydrography/transportation. The Center.

Chicago Style (17th ed.) Citation

Earth Science Information Center (U.S.). 1: 100,000-scale DLG Data, Hydrography/transportation. Reston, VA: The Center, 1991.

MLA (9th ed.) Citation

Earth Science Information Center (U.S.). 1: 100,000-scale DLG Data, Hydrography/transportation. The Center, 1991.

Warning: These citations may not always be 100% accurate.