Cita APA (7a ed.)

Doolittle, H. J., & Libby, G. W. Voices of the pioneers. Spokane Public Library.

Cita Chicago Style (17a ed.)

Doolittle, Harold James, y George W. Libby. Voices of the Pioneers. [Spokane, WA: Spokane Public Library.

Cita MLA (8a ed.)

Doolittle, Harold James, y George W. Libby. Voices of the Pioneers. Spokane Public Library.

Precaución: Estas citas no son 100% exactas.