Cita APA (7a ed.)

Russell, B. (1960). In Praise of Idleness and Other Essays. Unwin Books.

Cita Chicago Style (17a ed.)

Russell, Bertrand. In Praise of Idleness and Other Essays. London: Unwin Books, 1960.

Cita MLA (9a ed.)

Russell, Bertrand. In Praise of Idleness and Other Essays. Unwin Books, 1960.