Cita APA (7th ed.)

RUSSELL, B. (1968). The conquest of happiness. Unwin Books.

Cita Chicago (17th ed.)

RUSSELL, Bertrand. The Conquest of Happiness. London: Unwin Books, 1968.

Cita MLA (9th ed.)

RUSSELL, Bertrand. The Conquest of Happiness. Unwin Books, 1968.