APA (7th ed.) Citation

Orr, M. A. (1956). Dante and the early astronomers ([New and rev. ed.].). A. Wingate.

Chicago Style (17th ed.) Citation

Orr, M. A. Dante and the Early Astronomers. [New and rev. ed.]. London: A. Wingate, 1956.

MLA (9th ed.) Citation

Orr, M. A. Dante and the Early Astronomers. [New and rev. ed.]. A. Wingate, 1956.