Cita APA (7a ed.)

Russell, B. (1975). The conquest of happiness. Routledge.

Cita Chicago Style (17a ed.)

Russell, Bertrand. The Conquest of Happiness. London: Routledge, 1975.

Cita MLA (9a ed.)

Russell, Bertrand. The Conquest of Happiness. Routledge, 1975.