APA (7th ed.) Citation

Kirkup, T. (1909). A history of socialism (4th ed., rev. and enl.). A. and C. Black.

Chicago Style (17th ed.) Citation

Kirkup, Thomas. A History of Socialism. 4th ed., rev. and enl. London: A. and C. Black, 1909.

MLA (9th ed.) Citation

Kirkup, Thomas. A History of Socialism. 4th ed., rev. and enl. A. and C. Black, 1909.