एपीए उद्धरण

Roberts, I. (1974). Crystals and their structures. Methuen.

शिकागो स्टाइल उद्धरण

Roberts, I.E. Crystals and Their Structures. London: Methuen, 1974.

एमएलए उद्धरण

Roberts, I.E. Crystals and Their Structures. Methuen, 1974.