Cita APA (7a ed.)

Callaway, J., & Callaway, J. (2012). Clients first: The two word miracle. Wiley.

Cita Chicago Style (17a ed.)

Callaway, Joseph, y JoAnn Callaway. Clients First: The Two Word Miracle. Hoboken, N.J.: Wiley, 2012.

Cita MLA (8a ed.)

Callaway, Joseph, y JoAnn Callaway. Clients First: The Two Word Miracle. Wiley, 2012.