The titled nobility of Europe. :
An international peerage, or "Who's who," of the sovereigns, princes, and nobles of Europe /
Comp. and ed. by the Marquis of Ruvigny.

APA Citation

Ruvigny and Raineval, M. Henry Massue. (1914). The titled nobility of Europe.: An international peerage, or "Who's who," of the sovereigns, princes, and nobles of Europe. London: Harrison.

MLA Citation

Ruvigny and Raineval, Melville Henry Massue, Marquis of, 1868-1921. The Titled Nobility of Europe.: An International Peerage, Or "Who's Who," of the Sovereigns, Princes, And Nobles of Europe. London: Harrison, 1914.

Warning: These citations may not always be complete (especially for serials).