APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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