एपीए उद्धरण

Chopra, D. (1993). Ageless body, timeless mind: The quantum alternative to growing old. Harmony Books.

शिकागो स्टाइल उद्धरण

Chopra, Deepak. Ageless Body, Timeless Mind: The Quantum Alternative to Growing Old. New York: Harmony Books, 1993.

एमएलए उद्धरण

Chopra, Deepak. Ageless Body, Timeless Mind: The Quantum Alternative to Growing Old. Harmony Books, 1993.