Cita APA (7a ed.)

Frankl, V. E. (1969). The doctor and the soul: From psychotherapy to logotherapy ([2nd expanded edition].). Bantam Books.

Cita Chicago Style (17a ed.)

Frankl, Viktor E. The Doctor and the Soul: From Psychotherapy to Logotherapy. [2nd expanded edition]. New York [etc.]: Bantam Books, 1969.

Cita MLA (9a ed.)

Frankl, Viktor E. The Doctor and the Soul: From Psychotherapy to Logotherapy. [2nd expanded edition]. Bantam Books, 1969.