APA (7th ed.) Citation

Harris, G. D., Veatch, A. C., Ries, H., Hollick, C. A., & Atkinson, G. F. (1899). A preliminary report on the geology of Louisiana. [publisher not identified].

Chicago Style (17th ed.) Citation

Harris, Gilbert D., A. C. Veatch, Heinrich Ries, Charles Arthur Hollick, and George Francis Atkinson. A Preliminary Report on the Geology of Louisiana. [Baton Rouge]: [publisher not identified], 1899.

MLA (9th ed.) Citation

Harris, Gilbert D., et al. A Preliminary Report on the Geology of Louisiana. [publisher not identified], 1899.