Cita APA (7a ed.)

Inter-Varsity Christian Fellowship, Bryant, D., & Kyle, J. E. (1984). The Unfinished task. Regal Books.

Cita Chicago Style (17a ed.)

Inter-Varsity Christian Fellowship, David Bryant, y John E. Kyle. The Unfinished Task. Ventura, Calif., U.S.A.: Regal Books, 1984.

Cita MLA (9a ed.)

Inter-Varsity Christian Fellowship, et al. The Unfinished Task. Regal Books, 1984.