Cite
MLA (8th Edition)
Bedrock Geologic Map of the Springfield 1⁰ x 2⁰ Quadrangle, Missouri. For sale by Map Distribution, The Survey, 1991.
APA (7th Edition)
Bedrock geologic map of the Springfield 1⁰ x 2⁰ quadrangle, Missouri. (1991). For sale by Map Distribution, The Survey.
Chicago (17th Edition)
“Bedrock Geologic Map of the Springfield 1⁰ x 2⁰ Quadrangle, Missouri.” Denver, CO: For sale by Map Distribution, The Survey, 1991.