The Upanishads /
by Swami Nikhilananda ; 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 Sankarāchārya, the great ninth-century philosopher and saint of India.

APA Citation

Nikhilananda, S., Śaṅkarācārya. (19751979). The Upanishads. New York: Ramakrishna-Vivekananda Center.

MLA Citation

Nikhilananda, Swami, and Śaṅkarācārya. The Upanishads. New York: Ramakrishna-Vivekananda Center, 19751979.

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