Παραπομπή APA

Bertrand Russell. (1960). In Praise of Idleness (1st.). Unwin.

Παραπομπή Chicago Style

Bertrand Russell. In Praise of Idleness. 1st. London: Unwin, 1960.

Παραπομπή MLA

Bertrand Russell. In Praise of Idleness. 1st. Unwin, 1960.