Cita APA (7a ed.)

Hendrikz, D. R. (1946). The theory of map projections. South Africa, Department of Lands.

Cita Chicago Style (17a ed.)

Hendrikz, D. R. The Theory of Map Projections. Pretoria: South Africa, Department of Lands, 1946.

Cita MLA (8a ed.)

Hendrikz, D. R. The Theory of Map Projections. South Africa, Department of Lands, 1946.