Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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