APA (7th ed.) Citation

Trahan, L. J. (1989). Soil survey of Orleans Parish, Louisiana. The Service.

Chicago Style (17th ed.) Citation

Trahan, Larry J. Soil Survey of Orleans Parish, Louisiana. [Washington, D.C.?]: The Service, 1989.

MLA (9th ed.) Citation

Trahan, Larry J. Soil Survey of Orleans Parish, Louisiana. The Service, 1989.