APA (7th ed.) Citation

Christie, D. E. (2013). The blue sapphire of the mind: Notes for a contemplative ecology. Oxford University Press.

Chicago Style (17th ed.) Citation

Christie, Douglas E. The Blue Sapphire of the Mind: Notes for a Contemplative Ecology. Oxford [u.a.]: Oxford University Press, 2013.

MLA (9th ed.) Citation

Christie, Douglas E. The Blue Sapphire of the Mind: Notes for a Contemplative Ecology. Oxford University Press, 2013.