APA Citation

Salt, J., & Salt, J. (1993). Migration and population change in Europe. Nueva York: United Nations.

Chicago Style Citation

Salt, John, and John Salt. Migration and Population Change in Europe. Nueva York: United Nations, 1993.

MLA Citation

Salt, John, and John Salt. Migration and Population Change in Europe. Nueva York: United Nations, 1993.

Warning: These citations may not always be 100% accurate.