1.
The conquest of happiness. London: Unwin Books; 1961.
The conquest of happiness. London : Unwin Books, 5 mai 1961. ISBN 0-04-171003-7
Russell Bertrand. (1961). The conquest of happiness. Unwin Books.
Style de citation MLA (8e éd.)Russell Bertrand. The Conquest of Happiness. Unwin Books, 1961.
Attention : ces citations peuvent ne pas être correctes à 100%.