APA (7th ed.) Citation

Harper, K., & Blair, A. C. (2006). New Galaxy: Class book 1. Oxford University Press.

Chicago Style (17th ed.) Citation

Harper, Kathryn, and Alison Cadwallader Blair. New Galaxy: Class Book 1. Oxford: Oxford University Press, 2006.

MLA (9th ed.) Citation

Harper, Kathryn, and Alison Cadwallader Blair. New Galaxy: Class Book 1. Oxford University Press, 2006.