Cite

Sketch map distribution of Hungarian population in Southern Slovakia [cartographic material] : (based on 1930 Czechoslovakia census) / R & A, IRIS.

MLA

of State. Interim Research, United States. Department, et al. Sketch Map Distribution of Hungarian Population in Southern Slovakia [Cartographic Material] : (Based on 1930 Czechoslovakia Census) / R & A, IRIS. Reproduction Branch, SSU, 1945. https://collections.library.yale.edu/catalog/15498136.

APA, 6th edition

of State. Interim Research, U. S. D., Research, I. S., & Branch, A. (1945). Sketch map distribution of Hungarian population in Southern Slovakia [cartographic material] : (based on 1930 Czechoslovakia census) / R & A, IRIS. [Maps]. Reproduction Branch, SSU, https://collections.library.yale.edu/catalog/15498136.