एपीए उद्धरण

Russel, B. (1956). Logic and Knowledge, Essays 1901 - 1950. George Allen & Unwin.

शिकागो स्टाइल उद्धरण

Russel, Bertrand. Logic and Knowledge, Essays 1901 - 1950. London: George Allen & Unwin, 1956.

एमएलए उद्धरण

Russel, Bertrand. Logic and Knowledge, Essays 1901 - 1950. George Allen & Unwin, 1956.