APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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

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