Cita APA (7th ed.)
De Villiers, C., & Metrowich, F. (1975). The communist strategy. Department of information.
Cita Chicago (17th ed.)
De Villiers, C.F, i F.R Metrowich. The Communist Strategy. Pretoria: Department of information, 1975.
Cita MLA (9th ed.)
De Villiers, C.F, i F.R Metrowich. The Communist Strategy. Department of information, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.