The decline of aristocracy,
by Arthur Ponsonby. London [etc.] T.F. Unwin, 1912.

APA Citation

Ponsonby, A. (1972). The decline of aristocracy. New York: Kraus Reprint Co..

MLA Citation

Ponsonby, Arthur, Baron, 1871-1946. The Decline of Aristocracy. New York: Kraus Reprint Co., 1972.

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