Cita APA (7a ed.)

Waaijman, K., & Vried, J. (2002). Spirituality: Forms, foundations, methods. Peeters.

Cita Chicago Style (17a ed.)

Waaijman, Kees, y John Vried. Spirituality: Forms, Foundations, Methods. Leuven [etc.]: Peeters, 2002.

Cita MLA (9a ed.)

Waaijman, Kees, y John Vried. Spirituality: Forms, Foundations, Methods. Peeters, 2002.