Cita APA (7a ed.)

Campbell, P. A., McMahon, E. M., & Sears, R. T. (1997). Bio-spirituality: Focusing as a way to grow (2nd ed.). Loyola Press.

Cita Chicago Style (17a ed.)

Campbell, Peter A., Edwin M. McMahon, y Robert T. Sears. Bio-spirituality: Focusing as a Way to Grow. 2nd ed. Chicago: Loyola Press, 1997.

Cita MLA (9a ed.)

Campbell, Peter A., et al. Bio-spirituality: Focusing as a Way to Grow. 2nd ed. Loyola Press, 1997.