Cita APA (7a ed.)

Onah, G. I. (2000). Logotherapy and the philosophy of man. Urbaniana University Press.

Cita Chicago Style (17a ed.)

Onah, Godfrey Igwebuike. Logotherapy and the Philosophy of Man. [Città del Vaticano]: Urbaniana University Press, 2000.

Cita MLA (9a ed.)

Onah, Godfrey Igwebuike. Logotherapy and the Philosophy of Man. Urbaniana University Press, 2000.