APA (7th ed.) Citation

Kegans, C. P. (1949). Outline map of the Chaco. The University.

Chicago Style (17th ed.) Citation

Kegans, C. P. Outline Map of the Chaco. [Austin, Tex.]: The University, 1949.

MLA (9th ed.) Citation

Kegans, C. P. Outline Map of the Chaco. The University, 1949.