एपीए उद्धरण

NULL. (1968). CURRENT TOPICS IN DEVELOPMENTAL BIOLOGY. ACADEMIC PRESS.

शिकागो स्टाइल उद्धरण

NULL. CURRENT TOPICS IN DEVELOPMENTAL BIOLOGY. LONDON & NEW YORK: ACADEMIC PRESS, 1968.

एमएलए उद्धरण

NULL. CURRENT TOPICS IN DEVELOPMENTAL BIOLOGY. ACADEMIC PRESS, 1968.