APA (7th ed.) Citation

Mangum, A. W., & Carr, M. E. (1906). Soil survey of the Waco area, Texas. G.P.O..

Chicago Style (17th ed.) Citation

Mangum, A. W., and M. Earl Carr. Soil Survey of the Waco Area, Texas. Washington: G.P.O., 1906.

MLA (9th ed.) Citation

Mangum, A. W., and M. Earl Carr. Soil Survey of the Waco Area, Texas. G.P.O., 1906.