Cita APA (7a ed.)

Hallman, D. G. (2000). Spiritual Values for Earth Community. WCC Publications.

Cita Chicago Style (17a ed.)

Hallman, David G. Spiritual Values for Earth Community. Geneva: WCC Publications, 2000.

Cita MLA (9a ed.)

Hallman, David G. Spiritual Values for Earth Community. WCC Publications, 2000.