एपीए उद्धरण

Fraenkel-Conrat, H. Design and function at the threshold of life: : the viruses.

शिकागो स्टाइल उद्धरण

Fraenkel-Conrat, Heinz. Design and Function at the Threshold of Life: : The Viruses.

एमएलए उद्धरण

Fraenkel-Conrat, Heinz. Design and Function at the Threshold of Life: : The Viruses.