Cita APA (7th ed.)

RUSSEL, B. (1979). The conquest of happiness. Unwin Paperbacks.

Cita Chicago (17th ed.)

RUSSEL, Bertrand. The Conquest of Happiness. London: Unwin Paperbacks, 1979.

Cita MLA (9th ed.)

RUSSEL, Bertrand. The Conquest of Happiness. Unwin Paperbacks, 1979.