एपीए उद्धरण

KOHLER FRED. (1952). EVOLUTION AND HUMAN DESTINY. PHILOSPHICAL.

शिकागो स्टाइल उद्धरण

KOHLER FRED. EVOLUTION AND HUMAN DESTINY. NULL: PHILOSPHICAL, 1952.

एमएलए उद्धरण

KOHLER FRED. EVOLUTION AND HUMAN DESTINY. PHILOSPHICAL, 1952.