Cita APA

Winther, O. O., & Ray Allen Billington. Transportation frontier: Trans-Mississippi west,1865-1890.

Citación estilo Chicago

Winther, Oscar Osburn, and Ray Allen Billington. Transportation Frontier: Trans-Mississippi West,1865-1890.

Cita MLA

Winther, Oscar Osburn, and Ray Allen Billington. Transportation Frontier: Trans-Mississippi West,1865-1890.

Warning: These citations may not always be 100% accurate.