Billington, R. A. (1959). The westward movement in the United States / by R.A. Billington. Van Nostrand.
Chicago Edition CitationBillington, Ray Allen. The Westward Movement in the United States / by R.A. Billington. Van Nostrand, 1959.
MLA Edition CitationBillington, Ray Allen. The Westward Movement in the United States / by R.A. Billington. Van Nostrand, 1959.
Warning: These citations may not always be 100% accurate.