APA (7th ed.) Citation

Gottlieb, R. S. (2013). Spirituality: What it is and why it matters. Oxford University Press.

Chicago Style (17th ed.) Citation

Gottlieb, Roger S. Spirituality: What It Is and Why It Matters. Oxford [u.a.]: Oxford University Press, 2013.

MLA (8th ed.) Citation

Gottlieb, Roger S. Spirituality: What It Is and Why It Matters. Oxford University Press, 2013.

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