Cita APA (7a ed.)

O'Shaughnessy, B. (1980). The will: A dual aspect theory. University Press.

Cita Chicago Style (17a ed.)

O'Shaughnessy, Brian. The Will: A Dual Aspect Theory. Cambridge [etc.]: University Press, 1980.

Cita MLA (9a ed.)

O'Shaughnessy, Brian. The Will: A Dual Aspect Theory. University Press, 1980.