Style de citation APA (7e éd.)

Schnell, G. A. (1983). The Study of population: Elements, pattern processes. Merrill.

Style de citation Chicago (17e éd.)

Schnell, George A. The Study of Population: Elements, Pattern Processes. London, Charles E.: Merrill, 1983.

Style de citation MLA (9e éd.)

Schnell, George A. The Study of Population: Elements, Pattern Processes. Merrill, 1983.