APA (7th ed.) Zitazioa

Russell, B. (1968). The Conquest of happiness. Allen Unwin.

Chicago Style (17th ed.) Zitazioa

Russell, Bertrand. The Conquest of Happiness. London: Allen Unwin, 1968.

MLA (9th ed.) Zitazioa

Russell, Bertrand. The Conquest of Happiness. Allen Unwin, 1968.