Cita APA

Demko, G. J., Rose Harold M., & Schnell, G. A. (1970). Population geography: A reader. McGraw-Hill.

Citación estilo Chicago

Demko, George J., Rose Harold M., and George A. Schnell. Population Geography: A Reader. New York: McGraw-Hill, 1970.

Cita MLA

Demko, George J., et al. Population Geography: A Reader. McGraw-Hill, 1970.