APA Citation

Ripley, W. Z. (1899). The races of Europe: A sociology study. London: Kegan Paul.

Chicago Style Citation

Ripley, William Z. The Races of Europe: A Sociology Study. London: Kegan Paul, 1899.

MLA Citation

Ripley, William Z. The Races of Europe: A Sociology Study. London: Kegan Paul, 1899.

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