APA (7th ed.) Citation

Armstrong, M. K. (1901). The early empire builders of the great West. E. W. Porter.

Chicago Style (17th ed.) Citation

Armstrong, Moses Kimball. The Early Empire Builders of the Great West. St. Paul, Minn.: E. W. Porter, 1901.

MLA (9th ed.) Citation

Armstrong, Moses Kimball. The Early Empire Builders of the Great West. E. W. Porter, 1901.