APA (7th ed.) Citation

Radhakrishnan, S. (1953). The principal Upanisads. George Allen and Unwin.

Chicago Style (17th ed.) Citation

Radhakrishnan, S. The Principal Upanisads. London: George Allen and Unwin, 1953.

MLA (9th ed.) Citation

Radhakrishnan, S. The Principal Upanisads. George Allen and Unwin, 1953.

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