Cita APA (7a ed.)

Baucus, J., & Shanahan, G. (1976). Helena, her historic homes. Baucus and Shanahan.

Cita Chicago Style (17a ed.)

Baucus, Jean, y Gayle Shanahan. Helena, Her Historic Homes. Helena, Mont.: Baucus and Shanahan, 1976.

Cita MLA (8a ed.)

Baucus, Jean, y Gayle Shanahan. Helena, Her Historic Homes. Baucus and Shanahan, 1976.

Precaución: Estas citas no son 100% exactas.