Gaya APA

Ungersma, A. (1961). The search for meaning, a new approach in psychotherapy, foreword by Viktor E.Frankl. . Philadelphia: Westminster Press.

Gaya MLA

Ungersma, A.J.. "The search for meaning, a new approach in psychotherapy, foreword by Viktor E.Frankl. ". Philadelphia: Westminster Press, 1961. Buku.