एपीए उद्धरण

Craig, G. S. (1940). Science for the elementary school teacher. Boston: Ginn and Company.

शिकागो स्टाइल उद्धरण

Craig, Gerald S. Science for the Elementary School Teacher. Boston: Ginn and Company, 1940.

एमएलए उद्धरण

Craig, Gerald S. Science for the Elementary School Teacher. Boston: Ginn and Company, 1940.