APA (7th ed.) Citation

Coignet, G. O. (1953). Oil and gas map of Louisiana. Dept. of Conservation.

Chicago Style (17th ed.) Citation

Coignet, G. O. Oil and Gas Map of Louisiana. [Baton Rouge, La.]: Dept. of Conservation, 1953.

MLA (9th ed.) Citation

Coignet, G. O. Oil and Gas Map of Louisiana. Dept. of Conservation, 1953.