Cita APA (7a ed.)

International Paul Tillich Symposium & Hummel, G. (1998). Truth and history: A dialogue with Paul Tillich : proceedings of the VI. International Symposium held in Frankfurt-Main 1996. Walter de Gruyter.

Cita Chicago Style (17a ed.)

International Paul Tillich Symposium y Gert Hummel. Truth and History: A Dialogue with Paul Tillich : Proceedings of the VI. International Symposium Held in Frankfurt-Main 1996. Berlin [etc.]: Walter de Gruyter, 1998.

Cita MLA (9a ed.)

International Paul Tillich Symposium y Gert Hummel. Truth and History: A Dialogue with Paul Tillich : Proceedings of the VI. International Symposium Held in Frankfurt-Main 1996. Walter de Gruyter, 1998.