APA (7th ed.) Citation

Johannes Geometra XXX-989. (1972). The Progymnasmata of Ioannes Geometres. Hakkert.

Chicago Style (17th ed.) Citation

Johannes Geometra XXX-989. The Progymnasmata of Ioannes Geometres. Amsterdam: Hakkert, 1972.

MLA (9th ed.) Citation

Johannes Geometra XXX-989. The Progymnasmata of Ioannes Geometres. Hakkert, 1972.

Warning: These citations may not always be 100% accurate.