एपीए उद्धरण

Geometra, J., & Littlewood, A. R. (1972). The Progymnasmata of Ioannes Geometres. Amsterdam.

शिकागो स्टाइल उद्धरण

Geometra, Johannes, और Antony Robert Littlewood. The Progymnasmata of Ioannes Geometres. Amsterdam, 1972.

एमएलए उद्धरण

Geometra, Johannes, और Antony Robert Littlewood. The Progymnasmata of Ioannes Geometres. Amsterdam, 1972.