Cita APA (7a ed.)

Knoetze, F. L. (1987). Primary geography (1. ed., 2. impr.). Nasou.

Cita Chicago Style (17a ed.)

Knoetze, F. L. Primary Geography. 1. ed., 2. impr. Goodwood [u.a.]: Nasou, 1987.

Cita MLA (9a ed.)

Knoetze, F. L. Primary Geography. 1. ed., 2. impr. Nasou, 1987.