Cita APA (7a ed.)

Libby, G. W., & Hughes, E. H. Voices of the pioneers. Spokane Public Library.

Cita Chicago Style (17a ed.)

Libby, George W., y E. H. Hughes. Voices of the Pioneers. [Spokane, WA: Spokane Public Library.

Cita MLA (8a ed.)

Libby, George W., y E. H. Hughes. Voices of the Pioneers. Spokane Public Library.

Precaución: Estas citas no son 100% exactas.