APA (7th ed.) Citation

Geological Survey (U.S.) & Kansas. (1991). Ottawa County, Kansas: 1:100 000-scale metric topographic map. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and Kansas. Ottawa County, Kansas: 1:100 000-scale Metric Topographic Map. Reston, Va.: The Survey, 1991.

MLA (9th ed.) Citation

Geological Survey (U.S.) and Kansas. Ottawa County, Kansas: 1:100 000-scale Metric Topographic Map. The Survey, 1991.

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