The spiritual roots of yoga :
royal path to freedom /
Ravi Ravindra ; edited by Priscilla Murray.

APA Citation

Ravindra, R., Murray, P. (2006). The spiritual roots of yoga: royal path to freedom. Sandpoint, ID: Morning Light Press.

MLA Citation

Ravindra, Ravi, and Priscilla Murray. The Spiritual Roots of Yoga: Royal Path to Freedom. Sandpoint, ID: Morning Light Press, 2006.

Warning: These citations may not always be complete (especially for serials).