APA (7th ed.) Citation

(1982). Map of Indiana showing topography of the bedrock surface. Geolog. Survey.

Chicago Style (17th ed.) Citation

Map of Indiana Showing Topography of the Bedrock Surface. Bloomington, Ind: Geolog. Survey, 1982.

MLA (9th ed.) Citation

Map of Indiana Showing Topography of the Bedrock Surface. Geolog. Survey, 1982.

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