How to know God:
the Yoga aphorisms of Patanjali.
Translated with a new commentary by Swami Prabhavananda and Christopher Isherwood.
APA Citation
Patañjali., Isherwood, C., Prabhavananda, S. (1969). How to know God: the Yoga aphorisms of Patanjali. New York: New American Library.
MLA Citation
Patañjali, Christopher Isherwood, and Swāmi Prabhavananda. How to Know God: the Yoga Aphorisms of Patanjali. New York: New American Library, 1969.
Warning: These citations may not always be complete (especially for serials).