International Paul Tillich Symposium & Hummel, G. (1989). God and being: The problem of ontology in the philosophical theology of Paul Tillich : contributions made to the II. International Paul Tillich Symposium held in Frankfurt 1988 = Gott und Sein : das Problem der Ontologie in der philosophischen Theologie Paul Tillichs : Beitrèage des II. Internationalen Paul-Tillich-Symposions in Frankfurt 1988. W. de Gruyter.
Chicago Style (17th ed.) CitationInternational Paul Tillich Symposium and Gert Hummel. God and Being: The Problem of Ontology in the Philosophical Theology of Paul Tillich : Contributions Made to the II. International Paul Tillich Symposium Held in Frankfurt 1988 = Gott Und Sein : Das Problem Der Ontologie in Der Philosophischen Theologie Paul Tillichs : Beitrèage Des II. Internationalen Paul-Tillich-Symposions in Frankfurt 1988. Berlin ; New York: W. de Gruyter, 1989.
MLA (9th ed.) CitationInternational Paul Tillich Symposium and Gert Hummel. God and Being: The Problem of Ontology in the Philosophical Theology of Paul Tillich : Contributions Made to the II. International Paul Tillich Symposium Held in Frankfurt 1988 = Gott Und Sein : Das Problem Der Ontologie in Der Philosophischen Theologie Paul Tillichs : Beitrèage Des II. Internationalen Paul-Tillich-Symposions in Frankfurt 1988. W. de Gruyter, 1989.