एपीए उद्धरण

Crombie, . A. C. (1969). Science in the later middle ages and early modern times, 13th to 17th centuries. Harmondsworth: Penguin.

शिकागो स्टाइल उद्धरण

Crombie, A. C. Science in the Later Middle Ages and Early Modern Times, 13th to 17th Centuries. Harmondsworth: Penguin, 1969.

एमएलए उद्धरण

Crombie, A. C. Science in the Later Middle Ages and Early Modern Times, 13th to 17th Centuries. Harmondsworth: Penguin, 1969.