APA-Zitierstil (7. Ausg.)

Beahrs, J. O. (1977). That which is: An inquiry into the nature of energy, ethics and mental health. Science and Behavior Books.

Chicago-Zitierstil (17. Ausg.)

Beahrs, John O. That Which Is: An Inquiry into the Nature of Energy, Ethics and Mental Health. Palo Alto, Calif: Science and Behavior Books, 1977.

MLA-Zitierstil (9. Ausg.)

Beahrs, John O. That Which Is: An Inquiry into the Nature of Energy, Ethics and Mental Health. Science and Behavior Books, 1977.