APA (7th ed.) Citation

Thomas, P. R. (1991). Geological maps and sections for engineers. CRC Press.

Chicago Style (17th ed.) Citation

Thomas, Peter R. Geological Maps and Sections for Engineers. Boca Raton, Fla.: CRC Press, 1991.

MLA (9th ed.) Citation

Thomas, Peter R. Geological Maps and Sections for Engineers. CRC Press, 1991.