Cita APA (7a ed.)

ABBOTT, C. (2012). 21 SPEECHES THAT SHAPED OUR WORLD: THE PEOPLE AND IDEAS THAT CHANGED THE WAY WE THINK. RIDER.

Cita Chicago Style (17a ed.)

ABBOTT, CHRIS. 21 SPEECHES THAT SHAPED OUR WORLD: THE PEOPLE AND IDEAS THAT CHANGED THE WAY WE THINK. LONDON: RIDER, 2012.

Cita MLA (9a ed.)

ABBOTT, CHRIS. 21 SPEECHES THAT SHAPED OUR WORLD: THE PEOPLE AND IDEAS THAT CHANGED THE WAY WE THINK. RIDER, 2012.