MLA

Schreiber, F. A Geological Map of the N-W. Portion of Georgia / from a Survey Made in 1844-5 by F. Schreiber of Hesse Casse, G. [publisher not identified], , 0AD. https://collections.library.yale.edu/catalog/16682138.

APA, 6th edition

Schreiber, F. (0 C.E.). A geological map of the N-W. portion of Georgia / from a survey made in 1844-5 by F. Schreiber of Hesse Casse, G. [Geological maps]. [publisher not identified], . https://collections.library.yale.edu/catalog/16682138.