Cita APA

Carman, H. J., Kimmel, W. G., & Walker, M. G. (1942). Historic currents in changing America. John C. Winston Co..

Citación estilo Chicago

Carman, Harry J., William G. Kimmel, and Mabel Gregory Walker. Historic Currents in Changing America. Philadelphia : Chicago [etc.]: John C. Winston Co., 1942.

Cita MLA

Carman, Harry J., et al. Historic Currents in Changing America. John C. Winston Co., 1942.