Billington, R. A. (1966). The frontier thesis : valid interpretation of American history? / edited by R.A. Billington: Valid interpretation of American history? Holt, Rinehart and Winston.
Chicago Style (17th ed.) CitationBillington, Ray Allen. The Frontier Thesis : Valid Interpretation of American History? / Edited by R.A. Billington: Valid Interpretation of American History? Holt, Rinehart and Winston, 1966.
MLA (9th ed.) CitationBillington, Ray Allen. The Frontier Thesis : Valid Interpretation of American History? / Edited by R.A. Billington: Valid Interpretation of American History? Holt, Rinehart and Winston, 1966.
Warning: These citations may not always be 100% accurate.