APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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