Cita APA (7a ed.)

Schwan, M., Bergan, J. S., & Campbell, D. P. (1980). Peace: A guide for prayer. Center for Christian Renewal.

Cita Chicago Style (17a ed.)

Schwan, Marie, Jacqueline Syrup Bergan, y Donna Pierce Campbell. Peace: A Guide for Prayer. Crookston, MN: Center for Christian Renewal, 1980.

Cita MLA (8a ed.)

Schwan, Marie, et al. Peace: A Guide for Prayer. Center for Christian Renewal, 1980.