Cita APA (7th ed.)

VIELROSE, E. (1965). Elements of the natural movement of: Population. Pergamon.

Cita Chicago (17th ed.)

VIELROSE, Egon. Elements of the Natural Movement of: Population. Oxford: Pergamon, 1965.

Cita MLA (9th ed.)

VIELROSE, Egon. Elements of the Natural Movement of: Population. Pergamon, 1965.