Cita APA
Smart, J. D., & J.M. Swanson. A Promise to keep. Westminster Press.
Citación estilo Chicago
Smart, James D., and J.M. Swanson. A Promise to Keep. Philadelphia: Westminster Press.
Cita MLA
Smart, James D., and J.M. Swanson. A Promise to Keep. Westminster Press.
Warning: These citations may not always be 100% accurate.