Portraits of power:
an introduction to twentieth-century history,
by S. E. Ayling.
APA Citation
Ayling, S. Edward. (1971). Portraits of power: an introduction to twentieth-century history. 5th ed. London: Harrap.
MLA Citation
Ayling, Stanley Edward. Portraits of Power: an Introduction to Twentieth-century History. 5th ed. London: Harrap, 1971.
Warning: These citations may not always be complete (especially for serials).