APA (7. basım) Alıntı

Ridge, M., & Billington, R. A. (1969). America's frontier story: A documentary history of westward expansion. Holt, Rinehart and Winston.

Chicago Style (17. basım) Atıf

Ridge, Martin, ve Ray Allen Billington. America's Frontier Story: A Documentary History of Westward Expansion. New York: Holt, Rinehart and Winston, 1969.

MLA (9th ed.) Atıf

Ridge, Martin, ve Ray Allen Billington. America's Frontier Story: A Documentary History of Westward Expansion. Holt, Rinehart and Winston, 1969.