APA (7th ed.) Citation

Martin, P. G. (1987). Soil survey of Concordia Parish, Louisiana. The Service.

Chicago Style (17th ed.) Citation

Martin, Paul G. Soil Survey of Concordia Parish, Louisiana. [Washington, D.C.?]: The Service, 1987.

MLA (9th ed.) Citation

Martin, Paul G. Soil Survey of Concordia Parish, Louisiana. The Service, 1987.