The Upanishads.
Translated from the Sanskrit with introductions embodying a general survey and the metaphysics and psychology of the Upanishads, and with notes and explanations based on the commentary of Śri Śankarāchārya, the great ninth-century philosopher and saint of India, by Swami Nikhilānanda.

APA Citation

Śaṅkarācārya., Nikhilananda, S. (194959). The Upanishads. [1st ed.]. New York: Harper.

MLA Citation

Śaṅkarācārya, and Swami Nikhilananda. The Upanishads. [1st ed.]. New York: Harper, 194959.

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