Cita APA (7a ed.)

Halperin, C. J. (2019). Ivan the Terrible: Free to reward & free to punish. University of Pittsburgh Press.

Cita Chicago Style (17a ed.)

Halperin, Charles J. Ivan the Terrible: Free to Reward & Free to Punish. Pittsburgh: University of Pittsburgh Press, 2019.

Cita MLA (8a ed.)

Halperin, Charles J. Ivan the Terrible: Free to Reward & Free to Punish. University of Pittsburgh Press, 2019.