Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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